get the drop on

verb

(transitive, informal) To point one's firearm at another person, thereby gaining dominance in a situation.

He managed to get the drop on his opponent and win the fight.

意味（1）

(transitive, informal) To point one's firearm at another person, thereby gaining dominance in a situation.

He got the drop on them and shot them before they could fire a shot or respond.

意味（2）

(transitive, informal, by extension) To obtain an advantage over another person, by acting before that person.