overact

verb

1. 举止过火；表现做作；（尤指）过分夸张地表演
   to behave in a way that is exaggerated and not natural, especially when you are acting a part in a play

1. VERB （通常指在戏剧中）表演得过于夸张，感情（或动作）过火
   If you say that someone overacts, you mean they exaggerate their emotions and movements, usually when acting in a play.
   1. Sometimes he had overacted in his role as Prince.
      有时候，他把王子一角演得过于夸张。

1. Sometimes he had overacted in his role as Prince.
   有时候，他把王子一角演得过于夸张。
2. A performance by mummers. Amateur actors often overact.
   业余演员往往表演过火。
3. The empirical test results show that there is "expectation puzzle" in the test, long-term rates overact to the market shock, and so the expectations hypothesis cannot hold in China.
   检验结果表明，我国利率期限结构的预期假设检验出现了预期迷惑现象，我国长期利率对市场冲击发生过度反应，利率期限结构预期假设不成立。

verb

1. exaggerate one's acting

   Synonym:    ham it uphamoverplay