to carry out

to carry out: to accomplish, to execute (S) (also: to go through with)

• It's easy to make a plan for losing weight, but it's always much harder to carry it out.
• Charles promised to go through with his plan to enroll in graduate school and get an advanced degree.

to knock oneself out

to knock oneself out: to work very hard (sometimes too hard) to do something

A reflexive pronoun must divide the idiom.

• She really knocked herself out trying to pass that difficult class.
• Don't knock yourself out during practice. Save your strength for the competition later.

to knock out

to knock out: to make unconscious (S)

The noun form knockout derives from this idiom.

• The prizefighter knocked out his opponent with one punch in the first five seconds of the first round.
• It was the fastest knockout in boxing history.

to clean out

to clean out: to empty, to tidy by removing (S); to steal, to rob (S); to buy or purchase all of something (S)

• It's time to clean out your closet so that you'll have more storage space.
• A burglar entered my apartment while I was gone and cleaned me out. He took over $200 in cash and jewelry.
• Thousands of shoppers cleaned out the store that was selling all its products at very reduced prices.

to show up

to show up: to appear, to arrive; to be found or located (also for the second definition: to turn up)

• It really gets on my nerves that Ursula shows up late for every meeting.
• Willie hopes that the watch he lost last Sunday shows u soon.
• We've looked everywhere for that book, but it hasn't turned up yet.

to take over

to take over: to assume control or responsibility for (S); to do or perform again (S)

The meaning of the second definition is almost the same as do over.

Also for the second definition, a noun or pronoun must divide the idiom.

• That large investment company specializes in taking over smaller businesses that are in financial trouble.
• Most students didn't do well on the important test, so the instructor let them take it over.
• Little Mikey didn't have much chance to hit the baseball during practice, so the coach let him take his turn over.

to stay in

to stay in : to remain at home, not to go out

An idiom with the opposite meaning is to stay out.

• On a rainy day, I like to stay in and read.
• Young people are able to stay out late at night and get very little sleep.

to stay up

to stay up: to remain awake, not to go to bed

• I want to stay up tonight and watch a late movie on TV.
• He stays up every night until after one o'clock, preparing his homework.

to be into

to be into: to have as an interest, such as a sport or hobby (also: to get into) (S)

• What sports are you into? I don't have any time to get into sports.

to go for

to go for: to be sold at a certain price; to seek or strive for; to agree with or to consider

The third definition is similar to to feel like.

• This dress probably goes for about $50, don't you think?
• Peter was going for first place in the swim meet, but he wasn't able to do better than third place.
• You can ask Ava to give you the money, but I doubt that she'll go for it.