not be serious 的近义词 20 个

• dally
• dilly-dally
• idle
• monkey
• play
• trifle
• amuse oneself with
• be amateur
• fiddle with
• flirt with
• horse around
• kid around
• mess around
• monkey around
• muck around
• play around
• play games with
• toy with
• trifle with
• work superficially