tidy up:收拾,整理
e.g. You'd better tidy up before the guests arrive.
客人們到達前,你最好先把東西整理一下。
e.g. He began to tidy up his desk and finish off the week' s work.
他開始整理書桌,結束一周的工作。
slip away:悄然逝去,悄悄溜走
e.g.She contrived to slip away unobserved in the dusk of the afternoon.
她計劃乘黃昏時候人不知鬼不覺地溜走。
e.g.I let the day slip away without doing anything at all.
那一天我什么事情也沒做,就讓日子白白溜過去了。
at one time or another:曾經(jīng)
e.g.Most of my friends have cheated on tests in school at one time or another.
我的大多數(shù)朋友在學校測驗時都作過一兩次弊。
e.g.All five permanent members have exercised the veto right at one time or another.
所有五個常任理事國都曾經(jīng)行使過否決權。
for the first time:首次,第一次
e.g.For the first time I felt repentance and sorrow.
我第一次感到后悔,感到難過。
e.g.Not for the first time Royce was surprised by the old man's perception.
羅伊斯對這個老頭的洞察力感到吃驚已不是第一次了。