1. He should be working here but he is otherwise engaged.
他本应该在这儿上班,但他另外有事走了。

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2. It will not be difficult to do this, even if you are engaged in conversation, or otherwise occupied at the time.
即使在与人交谈,或正忙着其它的事情,也不难做到这一点。

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3. It will not be difficult to do this, even if you are engaged in conversation, or otherwise occupied at the time.
即使在与人交谈,或正忙着其它的事情,也不难做到这一点。

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