及物动词

1. 水蛭；蚂蟥
A leech is a small animal which looks like a worm and lives in water. Leeches feed by attaching themselves to other animals and sucking their blood.

2. 吸血鬼；寄生虫
If you describe someone as a leech, you disapprove of them because they deliberately depend on other people, often making money out of them.

1. carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end

Synonym: bloodsuckerhirudinean

2. a follower who hangs around a host (without benefit to the host) in hope of gain or advantage

Synonym: parasitespongesponger