MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

一拥而上	yī yōng ér shàng	to swarm around / flocking (to see)
一窝蜂	yī wō fēng	like a swarm of bees; in droves (used to describe people flocking to do sth)
云集	yún jí	to gather (in a crowd) / to converge / to swarm
一拥而入	yī yōng ér rù	to swarm in (of people etc) (idiom)
飞来飞去	fēi lái fēi qù	to fly about / to fly hither and thither / to flit / to swarm / to spiral
拥	yōng	to hold in one's arms; to embrace / to surround; to gather around / to throng; to swarm / (bound form) to support (as in 拥护) / (literary) to have; to possess / Taiwan pr. [yong3]
哀鸿遍野	āi hóng biàn yě	lit. plaintive whine of geese (idiom); fig. land swarming with disaster victims / starving people fill the land
蝇营狗苟	yíng yíng gǒu gǒu	lit. to swarm like flies around rotten food and drag out an ignoble existence like a dog (idiom) / fig. to lead an undignified life; to resort to any means for personal gain
群飞	qún fēi	to fly as a flock or swarm
蜂拥	fēng yōng	to swarm; to flock; to throng
蜂聚	fēng jù	to swarm / to congregate in masses
群发性地震	qún fā xìng dì zhèn	earthquake swarm
蜂群	fēng qún	bee colony / swarm / CL:队
群震	qún zhèn	earthquake swarm
蜂起	fēng qǐ	to swarm / to rise in masses
薨	hōng	death of a prince / swarming
蜂涌	fēng yǒng	to swarm / to flock
麇集	qún jí	(literary) to flock; to swarm; to congregate en masse; to cluster together
翃	hóng	to swarm (of insects)