1.
The condition or quality of being frail.
虚弱虚弱的状态或性质
2.
The condition or quality of being weak.
虚弱虚弱的状态或状况
3.
Frailty of bodily constitution or health.
虚弱，纤弱体质或健康上的虚弱
4.
Relating to or exhibiting asthenia;weak.
虚弱的与虚弱有关的或表示现出虚弱的；无力的
5.
"No," he said, weakly.
“不行，”他虚弱地说。
6.
To cause to turn pale.
使变虚弱，使颜色变淡
7.
And this made her exceedingly sick.
这样一来，使她非常虚弱。
8.
She is still weak after her long illness.
久病之后她仍很虚弱。
9.
She is feeble from sickness.
她因为生病而变得虚弱。
10.
She looked wan and fragile.
她看上去既疲乏又虚弱。
11.
He is old and rather frail.
他年老而且相当虚弱。
12.
The illness has considerably weakened him.
疾病使他变得相当虚弱。
13.
Illness had rendered him rather weak.
疾病使得他相当虚弱了。
14.
Her health is very frail.
她的身体十分虚弱。
15.
He's still in poor health after his illness.
他病后身体仍很虚弱。
16.
I feel absolutely rotten .
我觉得身体非常虚弱。
17.
look, feel a bit peaky
看上去、 觉得有点虚弱.
18.
He felt weak after illness.
病愈后他感到虚弱。