I had to bite back a yelp of surprise.

我只好强忍住，没惊叫出来。

柯林斯例句

Even the weakest animal will bite back when it is cornered.

要是被逼急了,甚至最弱小的动物也会回咬一口.

《简明英汉词典》

We were struggling to bite back a sympathetic moan.

我们努力咽下同情的悲叹声.

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The dog was trying to bite back through the fence.

这条狗试图通过栅栏咬回去.

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You by the dog, is it difficult to become you to want to bite back?

你被狗咬一口, 难不成你要咬回去 吗 ?

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