clean /kli:n/ I. vt. 擦干净，把…弄干净: His pipe wants cleaning. 他的烟斗需要擦一擦了。 Clean your shoes before you come into the house.在进屋前，请把鞋上的泥土弄干净。clean out打扫干净；偷光：We spent the weekend cleaning out the garage.我们利用周末打扫车库。The thieves broke in and cleaned out the store.小偷破门而入，把商店偷得精光。clean up弄干净，打扫：Would you mind cleaning up the spilled milk?您介意把散的牛奶清理一下吗？Would you mind helping me clean up the kitchen after dinner?您介意餐后帮助我把厨房收拾一下吗？‖II. adj.干净的，清洁的：You must keep your clothes clean.你必须保持衣服干净。