“我不行”用英语可以这样说:I can't/I'm afraid I can't/I don't think I can。例如:I can't do two things at once.我不能同时做两件事。
I can't
例:I can't do two things at once.
我不能同时做两件事。
I'm afraid I can't
例:I'm afraid I can't do that, Harry.
恐怕我办不到,哈利。
I don't think I can
例:I don't think I can accept it right now, as it is beyond my negotiating limit.
我想我现在没法接受这一点,因为这超出了我的谈判限度。