frivolous
🇺🇸
/ˈfrɪvələs/
🇬🇧
/ˈfrɪvələs/
not serious or important
His frivolous behavior during the serious meeting was not appreciated.
他在嚴肅的會議上輕浮的行為沒有得到欣賞。
lacking in sense or value
She spent her money on frivolous things instead of saving it.
她把錢花在了無關緊要的事情上,而不是存起來。