他几乎一开口就要用俚语.He can hardly open his mouth without using slang.不要用俚语 、 行话, 讲话不要犹犹豫豫,那样会影响交际效果.Avoid slang, and jargon, and vocal hesitations that can hinder effective communication.他喜欢用俚语表达自己.He expresses himself slangily....