Ho, ho! What have we here?

嗬嗬！这是什么？

《牛津词典》

"Ha ha, ho ho," he chortled.

“哈哈，呵呵，”他咯咯笑着。

《柯林斯英汉双解大词典》

Provine realized that the reason chimps cannot emit a string of "ho ho ho" is that they cannot make more than a single sound when they exhale or inhale.

普罗文认识到，黑猩猩之所以不能发出一连串的“呵呵呵”声音的原因，在于它们在呼气或吸气时无法发出一个以上的音节。

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