成语 20

Not stained with a particle of dust 一尘不染

To evade the solution of a problem by walking away from where it exist 一走了之

To place ( or put ) oneself in others position 设身处地

Waiting in anticipation 摩拳擦掌

Placing benefits above all else 利字挂帅

On the verge of extinction 濒临绝种