She seems fond of mouthing .

她似乎喜欢动嘴唇而不出声。

I don't appreciate you bad- mouthing me.

我不喜欢你在背地里说我的坏话。

She can’t stop bad-mouthing other people.

她总是不断地在说别人坏话。

They have been bad- mouthing Hong Kong and our country.

他们一直唱衰香港和祖国。

As a complainer, Mr. Wang kept on bad-mouthing his boss.

王先生是位埋怨者，他不停地说他老闆坏话。

Double-saliving is what you're talking about. Double-mouthing.

你说的是两次沾唾液。两次将食物放进嘴里。

You do not really mean it, you are just mouthing it.

你说的不是真的, 你言不由衷而已.

They have been bad - mouthing Hong Kong and our country.

他们一直唱衰香港和祖国.

I mean, did you know you were mouthing the words along with me?

我是说你知道你嘴巴在跟着我念吗？

So you really disappoint me by bad-mouthing me among my classmates.

可是，你在我的同学当中说我的坏话。 这使我非常失望。