Correct

得寸进尺

/ de cùn jìn chě /
Strokes

Definition

lit. win an inch, want a foot (idiom); fig. not satisfied with small gains/give him an inch, and he'll want a mile

Example

Definition

reach for a yard after getting an inch—give him an inch and he'll take a yard/a mile/an ell; be insatiable

Related

得寸进尺