Let's have a go at it.

让我们来试试.

《现代英汉综合大词典》

He must be itching to have a go at it.

他谁是急不可待地想试试.

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Let me have a go at it, all right?

让我试一试, 行 吗 ?

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Let me have a go at it this time.

这次让我来试一试.

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Lily : Listening comes first. Don't worry, have a go at it.

听力先行. 别担心, 试试吧.

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But in that moment he decides he's still gonna have a go at it.

但是,在那一刻,他决定还是应该试一试.

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