有没有be not weak in doing sth的说法?be not well in可以这么用吗?

do weak in 还是 be weak in? 有没有be not weak in doing sth的说法?be not well in可以这么用吗? Do not be afraid to be weak. Do not be afraid to be weak,Do not too proud to be yong. 不擅长做运动,英语翻译.用be not weak in be weak in 和be weak at Do not weak 的中文翻译 be weak at与be weak in的区别是什么? be weak at对,还是be weak in对?be weak at对,还是be weak in对? be weak in; be weak at 这两个有什么区别?有人说be weak in 后面跟某科目,但是牛津高阶有一例句：Her school report shows that she is weak at/in arithmetic and biology. be weak 有这个短语吗?be weak at do not be the frog in the be weak in 后动词加ing? be weak/poor at/in是什么意思 Be weak in getting on weii 有没有be bored doing,be bored to do,be bored in doing,be bored in to do?请问有没有这些说法 be poor in和be weak in的区别 be good at的反义词是be weak/bad at还是 be weak/bad in