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to check in: to register at a hotel or motel; to leave or deposit for transporting or safekeeping (S)
The adjective form check-in derives from this idiom.
◆Courtney arrived in town at mid-day and promptly checked in at the Plaza Hotel. The hotel permitted an early check-in time.
◆There dozens of people at the airline counters waiting to check their bags in for their flights.
to check out: to pay the bill at a hotel or motel and then leave; to investigate, to examine (S)
The adjective form check-out derives from this idiom.
◆The latest you should check out of the hotel is 12 noon. However, in your case, we can set a special check-out time of 2:00 P.M.
◆The police received a call from someone claiming to have witnessed a murder. The police sent two detectives to check the call out right away.
to take at one's word: to accept what one says as true, to believe
◆When he offered to be responsible for the fund raiser, I took him at his word. Now he's saying that he's not available to do it.
◆You should be careful about taking her at her word. She's been known to say one thing but to do another.
to serve (the/one's) purpose: to be useful, to suit one's needs or requirements
◆I don't have a screwdriver to open this, but I think that a knife will serve the purpose.
◆Jane prefers working to studying, so it served her purpose to drop out of school and take that job.
in the worst way: very much, greatly
◆Jim and Claudia want to have children in the worst way. They are trying very hard to conceive.
◆Because Umer ahs relatives in Turkey, he wants to visit there in the worst way.
to cop out: to avoid one's responsibility, to quit
This idiom is an informal version of the second definition to back out (lesson 29). The noun form copout means an excuse for avoiding responsibility.
◆Evelyn had agreed to help us with arrangements for the party, but she copped out at the last minute.
◆I can't believe that Cindy offered such an explanation for failing to show up. What a poor copout!
to line up: to form a line; to arrange to have, to manage to obtain (S)
◆The moviegoers lined up in front of the theater showing the most popular film of the summer.
◆Rob is going to schedule the famous author to speak at the convention if he can line her up in time.
to lose one's cool: to get excited, angry, or flustered
◆Despite the boos from some in the audience, the actors on stage never lost their cool.
◆Although the group of skiers were in danger form an apparent avalanche, their ski guide never lost his cool.
to leave open: to delay making a decision on (S)
◆In making up the job announcement, the firm decided to leave the salary open until a qualified candidate was found.
◆We know that the annual summer camp will be held in August, but let's leave the exact dates open for now.
to turn on: to interest greatly, to excite (S)
The idiom with the opposite meaning is to turn off. These idioms are used to form the nouns turnon and turnoff.
◆Does great art turn you on? I find going to a museum and viewing classic works of art a real turnon.
◆Going to a bar and having silly conversation with strangers really turns me off. In fact, most bar scenes are really turnoffs to me.
to miss the boat: to lose an opportunity, to fail in some undertaking
◆The precious metals market was looking up several months ago, but unfortunately most investors missed the boat.
◆Mr. Vlasic's new business went bankrupt within a short time. He really missed the boat by opening a tanning salon near the beach.
to think up: to invent, to create (also: to dream up)
This idiom is often used for an unusual or foolish thought.
◆Who thought up the idea of painting the living room walls bright red?
◆When asked by the teacher why she was late, the student dreamed up a plausible excuse.