I'll mount guard over the luggage while you get the ticket.

你去买票，我来看管行李。

《新英汉大辞典》

That was what it was thought I, to have the captain wounded; and again I blamed myself sharply for leaving them in that danger with so few to mount guard.

我认为这是船长负了伤的结果，于是我又一次责怪自己，不该在几乎派不出人放哨的时候撇下他们，使其面临这样的危险。

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Complete doctor adopted medical department MRI mount guard qualifications training and the test, obtains MRI mount guard qualifications which the medical department approves.

全部医师均通过了卫生部MRI上岗资格培训及考试，获得卫生部认可的MRI上岗资格。

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