I was always weak in the science subjects.

我总是学不好理科。

《牛津词典》

She used to be weak in English.

她以前英语不好。

youdao

She does well in listening, speaking, and reading, but she is weak in writing.

她在听、说、读方面都很好，但写作很差。

youdao

Many workers became tired and weak in the heat.

VOA: special.2009.02.21

And in fact, under type checking, different languages sometimes fall on a spectrum from weak to strong typing.

实际上，在类型检查的下面，不同的语言会对应着,从弱到强的一个定型范围。

麻省理工公开课 - 计算机科学及编程导论课程节选

He has that phrase, / "Anything more than the truth would have seemed too weak / to the earnest love that laid the swale in rows.

他写了这样一句，任何超过真理的东西都显得很脆弱/,用最真挚的爱意割下一排排草。

耶鲁公开课 - 现代诗歌课程节选

But the U.S. typically has been weak in Winter Olympics staples like ski jumping and cross-country skiing.

FORBES: Kurt Badenhausen On Sports

Anne Stanback, a gay marriage advocate, says interest in civil unions has been weak in Connecticut.

NPR: For Some, Civil Unions Gain Second-Class Stigma

Those of us that are weak in this area cannot naturally overcome that weakness .

FORBES: Yes, You Can Think Your Way To A Better, Longer Life!