to get better, worse, etc

to get better, worse, etc.: to become better, worse, etc.

This idiom is often used with adjectives such as any and much.

• Heather has been sick for a month, but now she is getting better.
• I hope the economy doesn't get any worse than it is now.

Angry with

Angry with, not against.

Don't say: The teacher was angry against him.

• Say: The teacher was angry with him.

Note: We got angry with a person but at a thing:

• He was angry at the weather (not: with the weather)

Also annoyed with, vexed with, indignant with a person, but at a thing

in time to

in time to: before the time necessary to do something

• We entered the theater just in time to see the beginning of the movie.
• The truck was not able to stop in time to prevent an accident.

on time

on time: exactly at the correct time, punctually

• I thought that Margaret would arrive late, but she was right on time.
• Did you get to work on time this morning, or did rush hour traffic delay you?

to be over / to be through

to be over: to be finished, to end (also: to be through)

This idiom is used for activities and events.

• After the dance was over, we all went to a restaurant.
• The meeting was through ten minutes earlier than everyone expected.

be through (with somebody/something)-informal

a) to have finished doing something or using something:

• I'm not through just yet - I should be finished in an hour.
• Are you through with the computer yet?

b) to no longer be having a relationship with someone:

• That's it! Simon and I are through.
• I'm through with you!

to be up

to be up: to expire, to be finished

This idiom is used only with the word time as the subject.

• "The time is up." the teacher said at the end of the test period.
• We have to leave the tennis court because our hour is up; some other people want to use it now.

to point out

to point out: to show, to indicate, to bring to one's attention (S)

• What important buildings did the tour guide point out to you?
• The teacher pointed out the mistakes in my composition.
• A friend pointed the famous actor out to me.

Aim at

Aim at, not on or against:

Don't Say: She aimed on (or against) the target.

• Say: She aimed at the target.

Note: Use the preposition at to denote direction. throw at, shout at, fire at, shoot at. 

Shoot(without the at) means to kill:

• He shot a bird(=he hit and killed it).

Afraid of

Afraid of, not from:

Don't say: Laura is afraid from the dog.

• Say: Laura is afraid of the dog.

ahead of time

ahead of time: before a scheduled time or event

• I knew ahead of time that Craig was coming to dinner, so I cooked extra food.
• If you take time off of work, you should tell your boss ahead of time.