It's tough, but keep your head above water!

Keep your head above water

The meaning is –To just manage to survive, especially financially or emotionally, during a difficult time.

Similar idioms –

• Stay afloat

• Hang in there

Examples

1. With all these bills, I’m barely keeping my head above water.

2. She’s doing everything she can to keep her head above water after the divorce.

中文意思是 – 勉強度日、勉強維持生計或情緒 / 勉强度日、勉强维持生计或情绪