loosen

变松英释vvto make something less tight or less firmly fastened, or to become less tight or less firmly fastened

1 loosen up,放松肌肉；松弛；[口]信口开河；[口]慷慨解囊

1 真题例句...Being able to check in with a child anytime goes a long way toward relieving parental anxiety and may help parents loosen their control a little sooner...CET62009.6阅读理解

1 You’ll need a spanner to loosen that bolt..你需要扳手来拧开那个螺栓。

2 The screws have loosened..螺丝松了。

3 Harry loosened his tie..哈里松开了领带。