Gun

1He produced a gun and he came into the house.他掏出枪来，走进房子。2The starting gun blasted and they were off.发令枪响了，他们冲了出去。3 He gunned his engine and drove off.他发动引擎，驱车而去。4The company came out with guns blazing.公司鼓足了劲要大干一番。5It wasn't due to be released until September 10, but some booksellers have jumped the gun and decided to sell it early.这本书定于9月10号发行，但是一些书商已抢先一步，决定提前销售。