因为长辈们老了，管不住自己的嘴，却有可能给你最好的建议。

Because old folks who can't hold their tongues may give the best advice.

youdao

法国人就是管不住自己的嘴，他们在不时地挑衅德国人。

The French cannot stop themselves from provoking the Germans.

youdao

既然管不住自己的舌头，又怎么能指望别人三缄其口？

Since I cannot govern my own tongue, tho'within my own teeth, how can I hope to govern the tongues of others?

youdao