~ておく (do in advance)

'Got it. If you're free, go clean up.' 'What the hell. Don't order your big brother around.'

Thanks for asking, but I'll take a raincheck.

Let sleeping dogs lie.

You draw me in just enough, then act like you don't know me.

Why did you save this fine wine until now?

How thoughtful of you to chill the wine in advance.

It's okay to let the baby cry sometimes.

The novel I'm writing next is set in a love hotel, so I wanted to actually see one for myself.

Confirming the venue: let either the person themselves or their chaperone scout out the omiai location beforehand.

I've gotta go get vaccinated.

I'll keep Thursday open for you.

I'll have finished reading this novel by the time you come tomorrow.

While I'm out, if anyone calls, tell them I'll be back by five.

Save some ice cream for me, will you?

I should have consulted a lawyer.

Could you keep this a secret for me?

She's very upset because her cat died, so leave her be.

When she got lost, she thought she should have listened to his advice.

She left her son alone in the car.

She kept me standing for as long as two hours.

She kept the secret from her husband her entire life.

She kept the secret entirely to herself.

Excuse me, but I'd like to point out three errors in the article above.

For most subjects, if you don't firmly master the basics at the start, you can't pick them up smoothly going forward.

If you want to play, make sure to set the rules first.

Let me state clearly that we at ACME Ltd. will resist the hostile takeover with all our might.

For now, I'd like to make it clear on the record that there's nobody decent here.

I've got the setup all squared away, so from here on Maa-kun, you've got to show some guts, got it?

Sake is fine, but keep it in moderation.

I should note in advance that this is a highly technical topic and may contain a fair amount of incorrect information.