Otherwise keep your mouth closed.

不然，就闭上你的嘴巴。

youdao

Keep your mouth closed.

保持嘴巴紧闭。

youdao

Keep your ears open but your mouth closed.

耳朵可以听着，但嘴必须闭上。

youdao

After the dead bear arrives for mounting, taxidermists hit customers with a key question: open mouth or closed mouth.

WSJ: After Long Hibernation, Taxidermists Make a Killing During Bear Season

Mr. Clark measured the bear and asked whether the hunter wanted an open or closed mouth.

WSJ: After Long Hibernation, Taxidermists Make a Killing During Bear Season

Pattinson and Stewart are notorious for being closed mouth about their relationship.

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