weak用作形容詞使用，有虛弱的，無(wú)力的，(器官或感官)功能差的，受損傷的，聲音或笑容)微弱的，不熱情的等含義。

1.虛弱的，無(wú)力的

I was too weak to move or think or speak...

我太虛弱了，無(wú)法動(dòng)彈，無(wú)法思考，也無(wú)法說(shuō)話。

His arms and legs were weak.

他的四肢虛弱無(wú)力。

2.(器官或感官)功能差的，受損傷的

Until the beating, Cantanco's eyesight had been weak, but adequate...

挨打前坎坦科的視力就一直很弱，不過(guò)也還勉強(qiáng)看得見(jiàn)。

She tired easily and had a weak heart.

她很容易疲勞，心臟也不好。

3.意志薄弱的;懦弱的

He was a nice doctor, but a weak man who wasn't going to stick his neck out...

他是位為人和藹的醫(yī)生，但膽小怕事，不敢冒什么風(fēng)險(xiǎn)。

You have been conditioned to believe that it is weak to be scared.

你已經(jīng)習(xí)慣性地認(rèn)為害怕就是軟弱。

4.(聲音或笑容)微弱的，不熱情的，無(wú)力的

His weak voice was almost inaudible...

他的聲音微弱，幾乎聽(tīng)不見(jiàn)。

He managed a weak smile.

他勉強(qiáng)擠出一絲笑容。

5.不牢固的

Flours with strong gluten absorb more water than do flours with weak gluten.

含有強(qiáng)有力的面筋的面粉較含有不太牢固的面筋面粉要吸收更多的水分。

The structure will prove weak in service.

該構(gòu)件在使用中將被證明是不牢固的。