用作动词(v.)

Hansen says if the Gulf stream were to weaken it could affect marine pfe.韩森说，如果湾流太弱，会影响海洋生命。

Because transplants weaken the immune system, they cannot be performed on sick patients.由于移植会使免疫系统变弱，病人在此情况下不能施行手术。

Because transplants weaken the immune system, they cannot be performed on sick patients.由于移植会使免疫系统变弱，病人在此情况下不能施行手术。

However, as the expansion progressed and more of the land was available, the will to share started to weaken.然而，如同被促进的扩充和土地的更多是可得的一样，分享的意志开始变弱。

用作动词(v.)用作不及物动词S+～(+A)

His strength has weakened.
他的体力下降了。

She weakened as the illness grew worse.
由于病情恶化,她变得更弱了。

The enemy's attacks weakened.
敌人的攻击减弱了。

They have not yet agreed to our requests but they are clearly weakening.
他们还没有同意我们的要求,但态度已明显软化。

用作及物动词S+～+ n./pron.

The strain of the last few days has weakened her considerably.
最近几天的劳累在很大程度上使她身体衰弱了。

The illness weakened his heart.
疾病使他的心脏衰弱了。

You can weaken the tea by adding water.
你可以加水把茶弄得淡一些。

None of these setbacks could weaken her resolve to become a doctor.
这些挫折一点也动摇不了她要当医生的决心。

用作动词 (v.)～+名词

weaken sb's heart使某人的心脏衰弱

weaken one's tea把茶冲淡

～+副词

weaken basically基本削弱

weaken constitutionally〔materially〕体质变弱

weaken painfully痛苦地削弱

weaken permanently永久地削弱

weaken tragically悲惨地削弱

～+介词

weaken by通过…使变淡

weaken tea by adding water通过加水使茶变淡

v.(动词)

weaken可指生物体表明健康状况的官能效果丧失、体力衰弱,也可指物质或非物质的完整性、稳定性、强度、数量等方面减弱或丧失。引申可指“(使)犹豫”。

weaken既可用作不及物动词,也可用作及物动词。用作及物动词时,接名词或代词作宾语。

weaken的相关资料：

用作动词(v.)

Hansen says if the Gulf stream were to weaken it could affect marine pfe.韩森说，如果湾流太弱，会影响海洋生命。

Because transplants weaken the immune system, they cannot be performed on sick patients.由于移植会使免疫系统变弱，病人在此情况下不能施行手术。

Because transplants weaken the immune system, they cannot be performed on sick patients.由于移植会使免疫系统变弱，病人在此情况下不能施行手术。

However, as the expansion progressed and more of the land was available, the will to share started to weaken.然而，如同被促进的扩充和土地的更多是可得的一样，分享的意志开始变弱。

用作动词(v.)用作不及物动词S+～(+A)

His strength has weakened.
他的体力下降了。

She weakened as the illness grew worse.
由于病情恶化,她变得更弱了。

The enemy's attacks weakened.
敌人的攻击减弱了。

They have not yet agreed to our requests but they are clearly weakening.
他们还没有同意我们的要求,但态度已明显软化。

用作及物动词S+～+ n./pron.

The strain of the last few days has weakened her considerably.
最近几天的劳累在很大程度上使她身体衰弱了。

The illness weakened his heart.
疾病使他的心脏衰弱了。

You can weaken the tea by adding water.
你可以加水把茶弄得淡一些。

None of these setbacks could weaken her resolve to become a doctor.
这些挫折一点也动摇不了她要当医生的决心。

用作动词 (v.)～+名词

weaken sb's heart使某人的心脏衰弱

weaken one's tea把茶冲淡

～+副词

weaken basically基本削弱

weaken constitutionally〔materially〕体质变弱

weaken painfully痛苦地削弱

weaken permanently永久地削弱

weaken tragically悲惨地削弱

～+介词

weaken by通过…使变淡

weaken tea by adding water通过加水使茶变淡

【近义词】

• decline下降
• fail失败
• dilute稀释
• enervate无力的
• deteriorate恶化
• give in屈服
• cave in下陷
• undermine逐渐削弱
• give way撤退
• damage损害
• destabilize使不稳定
• detract from减损
• shake摇动
• water down掺水
• thin薄的
• adulterate搀 ... 使品质变劣...
• enfeeble使衰弱
• exhaust使筋疲力尽
• soften(使)变柔和
• droop低垂
• languish衰弱无力
• impair损害
• disable使 ... 失去能力...
• fade逐渐消失
• cripple跛者
• depress使沮丧
• water水
• faint微弱的
• lessen减少
• sink下沉
• silence沉默
• loosen松开
• sap树液
• pine松树
• flag旗
• lower低的
• step down逐渐缩小
• de-escalate(使)逐步降级...
• sabotage怠工
• damp潮湿的
• counteract抵制
• subvert推翻
• dampen(使)潮湿
• countermine反地道
• break打碎

【反义词】

• strengthen加强