1A group, flock, herd, or swarm — a cluster of animals or people gathered together, often moving or acting as one.
牧場には羊の群れがのんびりと草を食べていた。
A flock of sheep was leisurely grazing in the pasture.
夕方、海辺にカモメの群れが飛んでいた。
In the evening, a flock of seagulls flew by the shore.
子どもたちが公園で群れを作って遊んでいる。
Children are clustering together and playing in the park.
若者たちは群れになって夜の街を歩いていた。
A group of young people were walking through the nighttime streets together.