词组	strain at sth
释义	●ˈstrain at sthto pull very hard on sth 拉紧，用力拽（某物）◆The dog was straining at its lead. 那只狗用力拖拽着牵狗绳。[v + prep] ●strain at the ˈleash (informal) to want to do sth very much, especially when sb/sth is trying to stop you 迫不及待，急于挣脱束缚（做某事）◆He’s straining at the leash to get on with his research. 他急于摆脱束缚继续搞研究。
随便看	spurt sth out spurt sth out of sth spy spy on sb/sth spy sth out (BrE) spy upon sb/sth square square off (against sb) (NAmE) square sth away (NAmE) square sth with sb square sth with sth square up square with sth squash squash in, etc. squash sb/sth in, squash sb/sth into sth squash sb/sth together squash sb/sth up squash up, squash up, etc. squeak squeak by (NAmE, informal) squeak through squeak through sth (informal)

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