strain at the leash
迫不及待；急切地想要做某事
口语·形容急切渴望
英文释义
to eagerly or impatiently desire to do something or be free to do something
例句
The kids are straining at the leash to go to the amusement park.
典故来源
源自遛狗场景，狗用力拉扯狗绳想挣脱，比喻人急切渴望做某事。