jump the gun的用法和樣例：
例句
用作不及物動詞 (vi.)
- He was disqualified from the race for jumping the gun.
他由於賽跑時偷跑而痛失了參賽的資格。 - He jump the gun and open the test before the teacher say to start.
在老師說開始前，他行動過早，先翻開了試卷。 - They jumped the gun by building the garage before permission had been given.
他們未得許可就搶先蓋了汽車房。
辭彙搭配
- jump the gun 發令槍未響起跑...
