Tongue-in-cheek
半开玩笑的，并非认真的，常带讽刺或幽默意味，需从语境中体会。
幽默调侃、讽刺或轻松场合的玩笑话。
英文释义
to speak or act in a sarcastic or ironic manner
例句
His tongue-in-cheek remark about the boss's tie made everyone laugh.
典故来源
源自18世纪英国，说话时用舌头抵住脸颊表示玩笑，避免被误解为严肃。