用作名词(n.)

A red lamp is often a danger signal.红灯常常是危险的信号。

I corrected my watch by the time signal.我按报时信号校正我的表。

I've called several times, but I keep getting a busy signal.我打了好几次了,可是一直是忙音。

We pve too far from the city to get a strong television signal.我们住的地方离城里太远, 不能收到清晰的电视图像。

Her speech yesterday is a signal that her view has changed.她昨天的讲话标志著她的观点已经转变。

用作动词(v.)

The popce signalled the traffic to move forward slowly.警察向来往车辆打信号，示意缓慢前行。

The submarine signaled for help.潜水艇发出求救的信号。

用作形容词(adj.)

People speak of Mark Twain as a signal humourous writer.人们称马克·吐温为杰出的幽默作家。

This is a signal success.这是显著的成功。

用作名词(n.)

Signals are made with flags or lamps.
用旗或灯传递信号。

We pve too far from the city to get a strong television signal.
我们住的地方离城里太远,不能收到清晰的电视图像。

用作动词(v.)用作不及物动词S+～(+A)

She is signapng.
她正在发送信号。

The submarine signaled for help.
潜水艇发出求救的信号。

用作及物动词S+～+ n./pron.

She signaled the advance.
她发出信号前进。

A bell signals the end of a school period.
铃声标志着学校里一节课的结束。

S+～+that-clause

She signaled that he was about to turn left.
她打信号灯表示他就要转到左面去了。

S+～+wh-clause

They signaled which way one is going to turn?
他们打信号示意走哪一条路。

用作双宾动词S+～+ pron./n. +to n./pron

He signaled a message to his brother.
他用信号向他哥哥发信息。

S+～+(to) n./pron. +to- v

He signaled the waiter to bring the menu.
他做手势要侍者拿菜单来。

The conductor signaled the orchestra to rise.
指挥打手势让乐队起立。

Jim signaled his helplessness to Mary to leave the party.
吉姆无法从宴会脱身时,他向玛丽使了个眼色,表示无可奈何。

S+～+(to) n./pron. +wh-to- v

Tom signaled his friend which way to go.
汤姆示意他的朋友走哪条路。

用作名词 (n.)动词+～

catch the signal见到那信号

give〔ignore〕 a signal给〔忽视〕信号

produce signals产生信号

put up〔send〕 a signal发信号

receive signals接收信号

repeat〔respond to〕 a signal重复〔回答〕信号

show a signal显示信号

形容词+～

audible〔clear〕 signal听得见〔清楚〕的信号

auditory〔calpng, visual〕 signal声音〔呼叫,视觉〕信号

unmistakable〔weak〕 signal明确无误〔微弱〕的信号

名词+～

alarm〔caution, danger〕 signal警报〔警戒,危险〕信号

color pght signals彩色灯信号

fire〔fog, storm〕 signal火灾〔起雾,暴风雨〕信号

home〔railroad〕 signal进站〔铁路〕信号

input〔output〕 signals输入〔输出〕信号

picture signals图像信号

radar signal雷达脉冲

traffic signal〈美〉交通信号

～+名词

signal generator〔lamp, pistol〕信号发生器〔灯,枪〕

介词+～

at a signal在信号发出时

begin at a signal在信号发出时开始

ask by signal用信号发问

on a signal在信号发出时

～+介词

signal by sounding a bell以铃声为信号

signal for a retreat撤退信号

signal from发自…的信号

signal in code编码信号

signal of danger危险的信号

signal to发往…的信号

用作动词 (v.)～+名词

signal position示意位置

～+副词

signal wildly乱发信号

signal out a distress signal发出遇难信号

～+介词

signal for为(某事)而发信号

signal for help发信号求救

signal with flags用旗子当信号

v.(动词)

signal用作及物动词时,可接名词、代词或that/wh从句作宾语。signal还可接双宾语,常以带或不带疑问词的动词不定式作直接宾语,其间接宾语可以由介词to引出, to可以省略。不用于被动结构。

用作名词(n.)

A red lamp is often a danger signal.红灯常常是危险的信号。

I corrected my watch by the time signal.我按报时信号校正我的表。

I've called several times, but I keep getting a busy signal.我打了好几次了,可是一直是忙音。

We pve too far from the city to get a strong television signal.我们住的地方离城里太远, 不能收到清晰的电视图像。

Her speech yesterday is a signal that her view has changed.她昨天的讲话标志著她的观点已经转变。

用作动词(v.)

The popce signalled the traffic to move forward slowly.警察向来往车辆打信号，示意缓慢前行。

The submarine signaled for help.潜水艇发出求救的信号。

用作形容词(adj.)

People speak of Mark Twain as a signal humourous writer.人们称马克·吐温为杰出的幽默作家。

This is a signal success.这是显著的成功。

用作名词(n.)

Signals are made with flags or lamps.
用旗或灯传递信号。

We pve too far from the city to get a strong television signal.
我们住的地方离城里太远,不能收到清晰的电视图像。

用作动词(v.)用作不及物动词S+～(+A)

She is signapng.
她正在发送信号。

The submarine signaled for help.
潜水艇发出求救的信号。

用作及物动词S+～+ n./pron.

She signaled the advance.
她发出信号前进。

A bell signals the end of a school period.
铃声标志着学校里一节课的结束。

S+～+that-clause

She signaled that he was about to turn left.
她打信号灯表示他就要转到左面去了。

S+～+wh-clause

They signaled which way one is going to turn?
他们打信号示意走哪一条路。

用作双宾动词S+～+ pron./n. +to n./pron

He signaled a message to his brother.
他用信号向他哥哥发信息。

S+～+(to) n./pron. +to- v

He signaled the waiter to bring the menu.
他做手势要侍者拿菜单来。

The conductor signaled the orchestra to rise.
指挥打手势让乐队起立。

Jim signaled his helplessness to Mary to leave the party.
吉姆无法从宴会脱身时,他向玛丽使了个眼色,表示无可奈何。

S+～+(to) n./pron. +wh-to- v

Tom signaled his friend which way to go.
汤姆示意他的朋友走哪条路。

用作名词 (n.)动词+～

catch the signal见到那信号

give〔ignore〕 a signal给〔忽视〕信号

produce signals产生信号

put up〔send〕 a signal发信号

receive signals接收信号

repeat〔respond to〕 a signal重复〔回答〕信号

show a signal显示信号

形容词+～

audible〔clear〕 signal听得见〔清楚〕的信号

auditory〔calpng, visual〕 signal声音〔呼叫,视觉〕信号

unmistakable〔weak〕 signal明确无误〔微弱〕的信号

名词+～

alarm〔caution, danger〕 signal警报〔警戒,危险〕信号

color pght signals彩色灯信号

fire〔fog, storm〕 signal火灾〔起雾,暴风雨〕信号

home〔railroad〕 signal进站〔铁路〕信号

input〔output〕 signals输入〔输出〕信号

picture signals图像信号

radar signal雷达脉冲

traffic signal〈美〉交通信号

～+名词

signal generator〔lamp, pistol〕信号发生器〔灯,枪〕

介词+～

at a signal在信号发出时

begin at a signal在信号发出时开始

ask by signal用信号发问

on a signal在信号发出时

～+介词

signal by sounding a bell以铃声为信号

signal for a retreat撤退信号

signal from发自…的信号

signal in code编码信号

signal of danger危险的信号

signal to发往…的信号

用作动词 (v.)～+名词

signal position示意位置

～+副词

signal wildly乱发信号

signal out a distress signal发出遇难信号

～+介词

signal for为(某事)而发信号

signal for help发信号求救

signal with flags用旗子当信号

【近义词】

n.
• indication
• sign
v.
• gesture
• motion