評論
打印
1.up to 忙于；目的是...
例句：What are they up to?
他們安的是什么心?
2.lock up 關閉；封鎖
例句：Don't forget to lock up when you leave.
你離開時不要忘記上鎖。
3.mend one's ways 使...改邪歸正
例句：He was determined to mend his ways and turn over new leaf.
他決心改過自新,重新做人。
4.one at a time 一次一個
例句：Wouldn't it taste better if you bought one at a time?
如果你一次買一杯，味道不是更好些嗎？
