Correct
适可而止
/ shì kě ér zhǐ /
Strokes
Definition
to stop before going too far (idiom); to stop while one can/don't overdo it/stop while you're ahead
Example
Definition
go just as far as propitiousness/propriety requires; keep within proper bounds/limit; know how far to go; stop before going too far; know when or where to stop; not overdo a thing; play it just right; bind a sack before it is too full