祸从口出的英文：
Out of the mouth comes evil.

参考例句：

Illness comes in by mouth and comes out by it
病从口入祸从口出

A fool's mouth is his destruction.
祸从口出。

"An ox is taken by the horns, and the man by the tongue"
祸从口出

A man may dig his grave with his teeth.
祸从口出。

A fool's mouth is his destruction
祸从口出

Calamity comes by means of mouth
祸从口出

The tongue cuts the throat
祸从口出,言多必失

out是什么意思：
adv. 出外；在外；离岸；出现；问世；大声地；完全；用完；不流行
adj. 外侧的；偏僻的
prep. 通过…而出；沿着…而去
n. 借口，托辞
pref. 外，超过，出，向外

be out for the count
拳击者被击倒后经裁判数到十秒还站不起来|被判失败|打输|被打败

Out of the Blue
从天上掉下来

Out of power, he is out of favour.
当他失去权力之后，他也就不再受人欢迎。

mouth是什么意思：
n. 嘴；入口；需要供养的人；讲话方式
v. 不出声地说，言不由衷地说

Live from hand to mouth
勉强糊口

To live from hand to mouth
得过且过

A close mouth catches no flies
病从口入

comes是什么意思：
n. 伴星；伴引血管
v. come的第三人称单数

The bale will be coming.
不幸就要降临了。

Come on get with it!
好啦，时髦点儿吧！

Illness comes in by mouth and comes out by it
病从口入祸从口出