vt.解开或使松,放宽,放松,使(肠)通畅
vi.变松或变得更松
Relax, smile; loosen up in mind and body and behaviour.
放松,微笑。精神、身体和行为上都要放轻松。
Loosen the bolt so the bars can be turned.
松一松插销,好转动门闩。
Young people often loosen up on the dance floor.
年轻人常在舞池中放松自己。