to behave in a way that is exaggerated and not natural, especially when you are acting a part in a play
1.过度...,过分...,(把剧中角色等)演得过火
1.if an actor overacts, they perform with too much energy or emotion so that their performance seems false
1.In the meantime, interviewees on the show tend to overact.
此外,电视节目中的雇主们有些行为过火。
2.Well ~ Tear ducts operate on a normal basis to lubricate and protect the eye. When you have an emotion, they overact and create tears.
泪管通畅可以湿润并保护眼睛,情绪激动时,泪管会激烈反应,制造泪水。