1·Human nature is frail.
人性脆弱。
—— 《牛津词典》
2·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》
3·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。
4·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》
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。