Play it by ear
To decide what to do as the situation develops rather than planning ahead.
English
Play it by ear
Tiếng Việt
Tùy cơ ứng biến.
Đến đâu tính đến đó, không định trước.
Examples
- We do not know how long it will run, so we will play it by ear.
- She had no script and played it by ear.