overplay

动词 overplay:

1. exaggerate one's acting
   同义词：overact, ham it up, ham

1. The marathon runner raced ahead in the early stages of the race but he had overplayed his hand and had to drop out exhausted with only three miles to go.
   这位马拉松赛跑者在比赛的开始阶段跑在前面，但他过高地估计了自己的力量，结果在离终点仅３英里时，跑得筋疲力尽力而不得不退出比赛。
2. The union is in danger of overplaying its hand in the current dispute.
   工会在目前纠纷中高估自己实力有失败之虞。

o.ver.play

v.（动词）
o.ver.played,o.ver.play.ing,o.ver.plays
v.tr.（及物动词）

To present (a dramatic role, for example) in an exaggerated manner.
把…演得过火：过度夸张地演（如某戏剧角色）
To emphasize or stress unduly.
夸大…重要性：不适当地强调
To overestimate the strength of (one`s holding or position) with resulting defeat:
过高估计：过高估计（自己具有的或自己地位的）力量，结果导致了失败：
例句：
overplayed his hand and lost the game.
过高估计手中的牌而导致了失败

Sports To hit (a golf ball) beyond the green.
【体育运动】 击球过远：把（高尔夫球）击到草地之外
v.intr.（不及物动词）
To overdo a role or an effect.
对角色或效果演得过火