千万不要的英文：
on no accoynt
- Never underestimate your opponent
千万不要低估对手. - In no case should you panic.
千万不要惊慌。 - Don't you fight!
千万不要打架! - You must refrain from spitting in the street.
你千万不要在街上随地吐痰。 - Things are progressing well don't(do anything to)rock the boat.
事情进行得很顺利--(千万)不要无风生浪. - Just tell the truth and don't embellish the story by any means.
你只要讲清事实，千万不要添枝加叶。 - Never be a delinquent borrower.
千万不要成为一个欠钱不还的人。 - Never squeeze blackheads, spots or pimples.
千万不要挤黑头、痣或粉刺。 - Never present the gun at someone!
千万不要拿枪对人瞄准！ - Don't ever overwind your watch.
千万不要把手表(发条)上得太紧。