群れる

(1)to gather together in large numbers; "men in straw boaters and waxed mustaches crowded the verandah"

(2)多数を一箇所に集めるために

(3)be teeming, be abuzz; "The garden was swarming with bees"; "The plaza is teeming with undercover policemen"; "her mind pullulated with worries"

(4)群がっていて、騒然としている

(1)