It's about time... 该是……的时候了
也可以说"It is high time"，后面的句子中的动词要用虚拟语气。
1. It's about time that he learned to look after himself. 现在该是他学会照顾自己的时候了。
2. It's high time that he was taught a lesson. 现在该是教训他的时候了。
3. Now you are talking, and about time too. 你这话说对了，早就该这么说嘛。
A: I have a complaint to make. The bill you sent me was incorrect. What's more, it isn't the first time.
B: Well, I must apologize, madam. We have new computers here, you know.
A: Don't you think it's about time you got them working properly?
B: I agree entirely. I assure you it won't happen again.
complaint n. 抱怨,诉苦;抱怨,怨言;申诉,控告;疾病
entirely ad. 完全,全然,一概
Sweetheart, it's high time that you asked a day-leave from your work since you have an awful cough.