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》

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。

youdao

She was the 20th of 22 children, prematurely born and frail.

是22个孩子中的第20个，一个虚弱的早产儿。

youdao

While their bodies have now become frail with age, they maintain that patriotic spirit and they never forget the men who were unable to come home.

VOA: standard.2009.11.04

If only for a moment, Satan suddenly seems old and frail.

如果只是一瞬间，撒旦突然看起来又老又脆弱。

耶鲁公开课 - 弥尔顿课程节选

Mr Mandela's family made it clear that despite his frail health he hoped to make a brief appearance at the opening game between South Africa and Mexico to share his joy with the country.

VOA: standard.2010.06.11

Does the new film redeem such horror, or is all beauty fated to be ominous and frail?

NEWYORKER: Love Hurts

Second, the fear that the old and frail will be bullied into committing suicide may be exaggerated.

ECONOMIST: Last rights

The hospital says it is also advisable not to bring children and frail, elderly visitors to the site.

BBC: Hospital battles against winter bug