loosen /'lu: sn; 'lusn/ vt, vi [VP6A, 2A, 15B] ~ (up), make or become loose or looser: 使松茁松; 變松： 璟弛： L ~ the screw. 把螺絲釘放啜。 The screw has ~ed. 螺絲釘軼了。 This medicine may ~ your cough, help to get up the phlegm. 此藥可減輕你的咳嗽(助你浦痰)。 I must take some exercise and ~ up my muscles. 我必須做點(diǎn)運(yùn)動(dòng)以放媒我的肌肉。