chill out = relax , calm down
You worry too much about it.Chill out and everything will be OK!
Cat nap = A series of quick naps.
He stays up late at night and he cat naps during the day.
Cranky = To be irritable and unpleasant.
If he doesn't sleep enough at night he is cranky in the morning.
A mixed bag = Some good things and some bad things
Life is as mixed bag.
To make your stomach turn = To make your stomach upset
The smell of "NATTOU" makes my stomach turn.
To stick your neck out = To take a chance
I'm going to stick my neck out and predict that the Tigers will win the Nippon Series this year!
Golden opportunity ＝ A great chance
Now is a golden opportunity to buy stocks.
Wishy-washy ＝ No strong opiniopn
She's so wishy-washy,she never states her true feelings.
Shady ＝ Not particularly honest
He has been involved in shady business deals recently.
To tie one on = To drink too much / To get really drunk
I really tied one on at the party last night and now I feel terrible.