to give out

to give out: to distribute; to become exhausted or depleted (also: to run out)

This first definition has the same meaning as the first definition of to pass out.

• An usher stood at the door of the theater giving out programs.
• I couldn't finish the ten-mile race because my energy gave out.
• Jeff plans to travel through South America until his money runs out.

to give off

to give off: to release, to produce

• When water boils, it gives off steam.
• The flowers in this garden give off a lovely scent.

to give in

to give in: to surrender, to stop resisting

• Completely surrounded by our soldiers, the enemy finally gave in.
• Management gave in to the strikers' demands and agreed to a shortened work week.

to fall behind

to fall behind: to lag, to fail to keep up (also: to get behind)

This idiom has the opposite meaning of the second definition of to keep up.

• Eve fell behind in her studies and finally had to drop out of school.
• If you get behind in your car payments, the finance company may repossess it from you.

to fall through

to fall through: to fail to materialize, not to succeed

This idiom is usually used with the noun plan or plans as the subject.

• Our plan to travel to Europe last summer fell through when we were unable to save up enough money,
• Felix made plans to have a party for everyone in his office, but they fell through at the last moment.

to take down

to take down: to remove from an elevated place (S); to write what is said, to note

The first definition of this idiom has the opposite meaning of the second definition to put up.

• We should take the pictures down from the wall and clean off the dust.
• The secretary took down everything that was said at the meeting.

to take on

to take on: to employ, to hire (S); to accept responsibility for, to undertake

• That factory is taking a lot of new employees on for its new production line.
• Would you be willing to take on the task of organizing the next company picnic?

to cut corners

to cut corners: to economize, to save money

• Most students live on limited budgets and have to cut corners whenever possible.
• The Livingstons have nine children, so it is essential that they cut corners at all times.

to stand up for

to stand up for: to insist on, to demand; to defend, to support

• If you don't stand up for your rights in court, the lawyers will try to stick it to you.
• Frank stood up for his friend, who was being put down by other teenagers.

to rip off

to rip off: to cheat, to take unfair advantage of

The noun form ripoff derives this idiom.

• The car dealership certainly ripped me off when I bought this car. It has caused me trouble constantly.
• You paid over$400 for the jacket? What a ripoff!