have problems/trouble doing sth 中problem为什么要加s

have problems lenka troubl have problems的用法 have problems with English have problems +for吗 lenka-troubl 怎么读 金山词霸在线翻译Lenka-troubl have problems about language等不等于have problems with language What problems do you have? have problems with English翻译 they have problems ( ) their English have problems breathing 求翻译, have any problem 还是have any problems have problem和have problems的区别 have problem和have problems的区别 have problems to do,have problems doing sth,have problems with sth三个分别是什么意思，什么区别 why?do you have some problems? have problems后面可以+什么介词?