She gave the apartment a once-over.

她匆匆扫视了一下那间公寓。

《柯林斯英汉双解大词典》

She once ruled over a vast empire.

她曾统治过一个幅员辽阔的帝国。

《牛津词典》

I grunt once in a while, so he knows I'm awake, and then I tell him how great it was when it's over.

我偶尔咕哝一声，让他知道我醒了，然后我告诉他一切都结束了有多棒。

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Give the races a once-over and identify which one(s) you think will be formful and which ones look chaotic.

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Remember: If an AOL staffer offers to lend you his iPad, make sure to give it a good once-over with a Wet-Nap.

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Federal Reserve Chairman Ben Bernanke is warning members of Congress they need to come up with a plan - a plan to reign in huge budget deficits - once the recession is over.

NPR: Fed Chairman Concerned By Growing Deficit