to overplay one's hand
01
过于自信反而坏事, 高估自己的位置
to fail to achieve success by having too much confidence in one's ability or position
disapproving
idiom
例子
She overplayed her hand when she threatened to quit, and they let her go.
她威胁要辞职时高估了自己的位置,结果公司真让她走了。



























