名詞 cleanup:

1. a very large profit
   同義詞：killing
2. (baseball) the fourth position in the batting order (usually filled by the best batter on the team)
   同義詞：cleanup position, cleanup spot
3. the act of making something clean
   同義詞：cleaning, cleansing

1. The one time my desk really gets nice and tidy is when "year-end cleanup time" roll around.
   我的桌子變得真正整潔的唯一時(shí)間是“歲末大掃除日”再來的時(shí)候。
2. I'm going to give the house a good cleanup.
   我準(zhǔn)備把屋子好好打掃一下。

clean.up

n.（名詞）
A thorough cleaning or ordering.
清理：徹底的清理或排序
Informal The final, often routine tasks that complete a project.
【非正式用語】 清除：完成一個(gè)項(xiàng)目的最后的、通常例行性的工作
Slang A very large profit; a killing.
【俚語】 暴利；極大的成功
Baseball The fourth position on a team`s batting order, usually reserved for a strong hitter who can drive in extra runs.
【棒球】 第四棒：球隊(duì)擊球順序的第四個(gè)位置，通常留給特別能奔跑的強(qiáng)壯的擊球手

【引伸】
clean.up.
adj.（形容詞）