如题所述
expert作名词时,可以表示专家,如果表示“在哪方面的专家”,介系词可以用in,也可以用on,但用on较为正式,一般指学术方面。
He is an expert in unarmed combat. 他是徒手格斗的能手。
She poses as an expert in old coins. 她自诩为古钱币专家。
I have no pretence to be an expert on the subject. 我并不自命是这方面的专家。
He is an expert on the world's mystical religions. 他精通世界上的神秘宗教。
He is an expert at troubleshooting. 他是位排解争端的能手。
Rex soon became an expert at opening the gate. Rex很快就成了一个开门能手了。
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