1.clean作副词表示“完全地，全部地”，常同forget，get，go等连用。
I clean forgot it. 我把那件事忘得一干二净。
She went clean out of her mind. 她完全疯了。
I clean forgot about calling him.我把给他打电话的事忘得一干二净。
The thief got clean away.那小偷已逃之夭夭。
The robbers got clean away. 窃贼逃得无影无踪。
John is clean wrong. 约翰完全错了。
clean, adj, 清洁的;干净的;洁净的;文明的;无污染的;空白的;公平的;爱干净的;无犯罪记录的;爱整洁的;边缘平整的;清醇的;无有害物的;动作熟练而准确的;没有私藏（或携带）违禁品（如枪支、毒品等）的v.使…干净;打扫;变干净;除去…的灰尘;(烹调前给鱼、鸡等)清除内脏n. 打扫;清扫提示cleanly 还可用作形容词，读作［'klenlɪ］，意为“爱清洁的，清洁的”。
2. cleanly ［'kliːnlɪ］准确地，干净地，熟练地，干净利落地;利索地；常同 cut 连用。
The knife cuts very cleanly. 这把刀切起来很锋利。
Cut horizontally and cleanly through the stem.沿水平方向整齐地锯断树干。
I struck the ball cleanly and my shot was on target.我干脆利落地击球，命中了目标。
The game had been cleanly fought.比赛双方严守规则。
Manufacturers are working with new fuels to find one that burns more cleanly than petrol.制造商在试验各种新燃料，希望找到一种比汽油更清洁的燃料。
The boat moved cleanly through the water.小船在水面上轻快地行进。
The wounds may heal cleanly or they may ooze a clear liquid.这些伤口可能会利索地愈合，也可能会分泌出一种透明的液体。