The next morning, when he opened his mouth to say "Good morning", nothing came out but a croak.

第二天早上，他张嘴想说“早上好”时，发出的却是呱呱声。

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He opened his mouth to say something, but decided not to.

他张嘴想说些什么，但决定不说了。

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Forgetting where he was, Turtle opened his mouth to say hello.

乌龟忘记了自己的处境，他张开嘴也要说“您好！”

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But he never wanted to open his mouth, say something wrong, and look stupid.

CNN: Excerpt: 'Joe DiMaggio: The Hero's Life'

His face was pleasant, his brow high, his mouth gentle, and his brown eyes warmly inquisitive, as if to say, Yes, I like you, and yes, I want to know more about you.

NEWYORKER: Waiting

He had resumed eating and, with his mouth full, raised a fork, as if to say, You can see for yourself.

NEWYORKER: In Other Rooms, Other Wonders