lifeguard
🇺🇸
/ˈlaɪfɡɑːrd/
🇬🇧
/ˈlaɪfɡɑːd/
A person who watches over a beach or pool to help people in danger in the water.
The lifeguard at the pool quickly jumped in to rescue the struggling swimmer.
수영장의 구조대가 빠르게 뛰어들어 몸부림치는 수영객을 구했습니다.