assistant noun
ADJ. chief, senior | personal I'll ask my personal assistant to deal with this. | administrative, care, catering, checkout, clerical, laboratory, library, production, research, sales, shop, technical She took up a post as research assistant in the Department of Pharmacology.
VERB + ASSISTANT employ (sb as), have She had a clerical assistant to do her paperwork. | get, hire (sb as), recruit (sb as) I'm getting a new assistant next month. | sack
PREP. ~ to assistant to the Production Manager > Note at JOB
You can also check other dicts: assistant (English, 中文解释 ), wordnet sense, Collins Definition