You use avid to describe someone who is very enthusiastic about something that they do.
例句
He misses not having enough books because he's an avid reader.他是個酷愛閱讀的人，總覺得書不夠讀。...an avid collector of art and history.一個熱衷收集藝術品和歷史文物的收藏家
ADJ-GRADED
渴望的；急切的
If you say that someone is avid for something, you mean that they are very eager to get it.
例句
He was intensely eager, indeed avid, for wealth.他嗜財如命。
英漢詞典釋義
adj.
渴望的,急切的,貪婪的
He’s an avid train-spotter.他特別喜歡觀察火車。She was avid for praise from her coach.那女孩渴望得到教練的稱贊。He is rich,but he is still avid of more money.他很富有,但他還想貪圖更多的錢。
英英詞典釋義
Adjective
1. (often followed by `for') ardently or excessively desirous;
"avid for adventure""an avid ambition to succeed""fierce devouring affection""the esurient eyes of an avid curiosity""greedy for fame"
2. marked by active interest and enthusiasm;
"an avid sports fan""a great walker""an eager beaver"