loosen up片語動詞KK [ˋlusən ʌp] /ˈlusən ʌp/發音片語動詞1放鬆、放輕鬆After a glass of wine, she finally started to loosen up.喝了一杯紅酒之後,她終於放鬆下來。2活動筋骨、熱身可拆開Jog a little first to loosen up your muscles.先小跑一下,活動一下肌肉。3放寬、放鬆可拆開The school has loosened up its rules on uniforms.學校放寬了制服方面的規定。4鬆口、暢所欲言口語The witness loosened up once the cameras were switched off.攝影機一關,證人就開口說了。5慷慨解囊、捨得花錢口語He never loosens up when it's his turn to pay.輪到他付錢時,他從來不肯大方一點。