[ fāngruìyuánzuò ] (形容格格不入) put a round peg in a square hole; like a square tenon for a round mortice -- at variance with each other; a person unsuited to the position he fills
Example Sentences:
1.
He is the proverbial square peg in a round hole 他正是谚语中所说的那种方枘圆凿不得其所的人。