Gunner
01
砲手, 砲兵
a member of an armed force who is specifically trained to fire large guns
例
The gunner adjusted the artillery's elevation before firing at the distant target.
砲手は遠くの標的に発砲する前に砲の仰角を調整した。
02
攻撃的な競争相手, 野心的な学生
someone who's aggressively competitive, especially in school or sports
Slang例
That med student 's a total gunner, always answering first.
あの医学部生は完全な攻撃的な競争相手で、いつも最初に答える。
