The manager warned that any levity during the client presentation would look unprofessional.

經理警告，在客戶簡報時任何輕浮的舉動都會顯得不專業。

His levity in the email about the shipping delay upset several customers.

他在關於出貨延誤的電子郵件中語氣輕浮，惹惱了好幾位客戶。

There was no room for levity when the board discussed the quarterly losses.

董事會討論季度虧損時，容不得任何不莊重的態度。