Idiom: to keep something under wraps

Definition: to keep something secret, to keep something hidden Examples: Our development department is working on a new product. We can’t tell anyone, we have to keep it under wraps. My boss is going to promote someone. I hope it is me, but I don’t know...

Idiom: To tighten one’s belt

Definition: to cut back on expenses Examples: Sales are down, we need to tighten our belt until business is better. You should tighten your belt, if you spend money like that, you’ll go out of business quickly.