形容词 clean-cut:

1. neat and smart in appearance

2. clear and distinct to the senses; easily perceptible

cleance游隙cleanadj.干净的；纯洁的；完全的；空白的；正当的；精准的adv.完全地n.清洁v.打扫；清扫；擦，刷cleaning sieve下筛,草籽筛,清选筛clean our earsvi.更仔细地听(洗耳恭听)cleaning apron输送带式布面洗选机cleaning paper[化] 清洁纸cleaning ratio清洁率cleaning media清洁剂,除垢剂cleaning cream清洁霜cleaning hinge阔隙窗铰链clean the room打扫房间clean-handedadj.清白的; 没做过坏事的

1. A sharp knife makes a clean cut.
   快刀切得整齐。