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1·She lay in bed looking frail.

她躺在床上，看上去很虚弱。《柯林斯英汉双解大词典》

2·Human nature is frail.

人性脆弱。《牛津词典》

3·My grandmother was becoming more and more sad and frail as the years went by.

随着岁月的流逝，我的祖母变得越来越伤感和虚弱。《柯林斯英汉双解大词典》

4·At last Becky's frail limbs refused to carry her farther.

最后，贝基虚弱的四肢再也支撑不住了。

5·The frail boat rocked as he clambered in.

他爬进去的时候，那条破船摇晃起来。《柯林斯英汉双解大词典》

6·Mother was becoming too frail to live alone.

母亲已逐渐衰弱到无法独居。《牛津词典》

7·Before the trial Liz had been pictured as a frail woman dominated by her husband.

审讯之前，利兹被描绘成受丈夫操纵的孱弱女子。《牛津词典》

8·There was an unspoken agreement that he and Viv would look after the frail old couple.

他和维夫有一个默契, 一起照顾那对年老体弱的夫妇。《柯林斯英汉双解大词典》

9·Feeble steps were heard on the stairs, and an old man, tall and frail, odorous of pipe smoke.

楼梯上响起了微弱的脚步声，一个病怏怏、浑身烟臭、满嘴烟渍的高个子老头儿犹犹豫豫地走了进来。

10·He should weigh around 16kg (35lb). But scooping him up from the floor costs his nursery teacher, a frail woman in a faded sari, little effort.

他的体重应该在16kg左右（35磅）。然而他的幼儿园老师，一位衣着陈旧莎丽的柔弱女子，却能不费吹灰之力把他提拎起来。

脆弱的

1·I suppose one thing that made you like him was that he was so small and frail; he aroused your instincts of protection.

我想，人们喜欢他还有一个原因，那就是他非常瘦小、脆弱，容易引起人们的恻隐之心。

2·And should psychologically frail workers put their faith in people who work primarily for their employers rather than in their personal doctors?

心理上脆弱的员工应该首先信任为他们的雇主工作的人，而不是自己的私人医生？

3·One man, trying in his terror to escape the awful sight, stumbled against the coffin so heavily as to knock away one of its frail supports.

一个男人恐惧地想逃避这可怕的景象，结果重重地跌倒在棺材上，撞开了棺材的一个脆弱的支撑物。

4·But beyond the fancier bits of London, the national market still looks rather frail.

但是除了伦敦的高端市场，全国市场似乎仍然相当脆弱。

5·You'd have to so abuse your body that it was basically as frail and sickly as that of an 80-year-old. Or maybe nutritionally starve it.

你要把自己的身体如此地虐待成基本上像个80岁人那么脆弱和多病，或也许使身体极其缺乏营养。

虚弱的

1·My grandmother was becoming more and more sad and frail as the years went by.

随着岁月的流逝，我的祖母变得越来越伤感和虚弱。《柯林斯英汉双解大词典》

2·At last Becky's frail limbs refused to carry her farther.

最后，贝基虚弱的四肢再也支撑不住了。

3·Those who are merely frail, however, cannot be given free help with washing, dressing and cooking unless they are also poor.

但那些仅身体虚弱的人，除非他们也是穷人，否则不能得到免费洗衣、穿衣和做饭的经济帮助。

4·Yet there he was, surrounded by frail patients at least four decades older.

但是他现在躺在那里，周围都是比他老四十岁的虚弱的病人。

5·The peaceful passing of a very old, frail lady is not a tragedy.

一个年老的、虚弱的女士，平静地离去了，这不是一个悲剧。

孱弱

1·Before the trial Liz had been pictured as a frail woman dominated by her husband.

审讯之前，利兹被描绘成受丈夫操纵的孱弱女子。《牛津词典》

2·He moved over to the window: a smallish, frail figure, the meagreness of his body merely emphasized by the blue overalls which were the uniform of the Party.

他走到窗边，窗户倒映出一个卑微，孱弱，只能靠一身蓝色党制服获取一点存在感的男人身影。

薄弱的

1·The story of a black zanretsuken ichigo seems frail but with blood, and can see young spirit of constitution.

故事的配角黑崎一护是个看似薄弱却满身热血少年，并且拥有能看见灵的体质。