千万不的英文：
on no accoynt

Never ascriBe to an opponent motives meaner than your own
千万不要和比你自己的动机更恶毒的对手较量

Big fireworks at arm's length using a taper, never a naked flame.
燃放烟花时，伸长手用香去点引线, 千万不要用明火。

"When you are there with them, play to the score. Never act on impulse"
到那儿你要见机行事,千万不要由着性子来

Don’t betray yourselves till I move.
我没有行动之前，你千万不可先露出马脚。

Don’t betray yourselves till I move
我没有行动之前，你千万不可先露出马脚。

Never jeer at a man because he is unfortunate
千万不要因一个人的不幸而嘲弄他。

Never wear tweed coat and flannel trousers
千万不要穿花呢上衣配法兰绒裤。

abduction stabilizer bar between legs is never used as a handle to turn the child.
千万不能用两腿之间保持外展的支持棒给小儿翻身。

abduction stabilizer bar between legs is never used as a handle to turn the child
千万不能用两腿之间保持外展的支持棒给小儿翻身。

It's in extremely bad taste for an American to die, not to mention inconsiderate to loved ones and friends.
美国人对一个人死亡的感觉是极坏的，此时你千万不要说没考虑到亡者是他所爱之人和朋友。