"many a true word is spoken in jest" in Chinese (Simplified)
Definition
这个表达意思是，有时人们在开玩笑时会说出真心话，尽管他们并不是真的想认真表达。
Usage Notes (Chinese (Simplified))
这是一个可用于正式和非正式场合的谚语。常常在开玩笑透露真相时使用，表示笑话中有真实想法。不要与“只是开玩笑”混淆，这强调玩笑中不经意表达的真理。
Examples
He joked that I am always late, but many a true word is spoken in jest.
他开玩笑说我总是迟到，其实**玩笑话中常有真理**。
Many a true word is spoken in jest when friends tease each other about their habits.
朋友们取笑彼此习惯时，**玩笑话中常有真理**。
We laughed at his comment, but my mom reminded us that many a true word is spoken in jest.
我们笑了他的评论，但我妈妈提醒我们，**玩笑话中常有真理**。
She teased me about being messy, but honestly, many a true word is spoken in jest.
她笑我不爱收拾，说实话，**玩笑话中常有真理**。
You know how it is—many a true word is spoken in jest when someone cracks a joke about your love life.
你懂的，当有人拿你的感情生活开玩笑时，**玩笑话中常有真理**。
After his sarcastic joke about my spending, I realized many a true word is spoken in jest.
他讽刺我花钱多，我才意识到，**玩笑话中常有真理**。