1.Give someone the time of the day
例句：After that ugly fight, Michelle won’t give me the time of the day.
2.As plain as day
例句：My Math teacher makes difficult equation as plain as a day. I enjoy her classes.
3.Fly by night
例句：I bought this iron online from this fly by night online company and it stopped working within a day.
4.A night owl
例句：Peter’s a real night owl. He never goes to bed before 3 AM and keeps working on his video projects.
5.As different as night and day
例句：The color shades you have shown me today are as different as night and day.
6.A one night stand
例句：Maria and John were never in a relationship, they just had a one night stand after the party.
7.Made my day
例句：When my boss told me “ You have improved on your sales performance” He just made my day.
8.Day in and Day out
例句：Samantha is growing so fat, she just keeps eating day in and out.
9.Call it a day
例句：I am really tired working on this project, I am running out of ideas, let’s call it a day .
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