Could you please explain the meaning of these idioms? Thanks!

[Dave]

Hello everyone

I got a list of IDIOMS, Would someone explain me what that mean?

Out of date
Burn down
Give up
Cross out
Eat in
Eat out
Hear from
Well off

I think that GIVE UP is to surrender...

[Mosteque]

Out of date
too old to look fashionable
This dress is out of date, you look ridiculous!

Burn down
to destroy sth by fire
The building was completely burned down

Give up
to surrender
ok, I give up, i've tired with all my maight and i just couldn't done it.

Cross out
you wrote sth down and than you draw a line across it.

I had to cross you out of the list, you didn't pay your admission fee.

Eat in

to have a meal at home

eat out

to have a meal in a restaurant

Hear from
To hear some news about sb

I haven't heard from you for ages!!

Well off
A person who has a lot of money

He's well off, he makes a thousand $ a day
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