Clean

clean up 打扫干净, 清理, 做完 clean out n. 清除，扫荡 clean bowl clean code clean bill of health [经] 船内安全报告, 健康证明书 clean up one's act 改善自己的习惯 clean and jerk 挺举 clean slate n. 清白历史 clean potato 正确的事物, 对头的事 clean someone's clock clean skin n. 无烙印的牲口 clean sheet 不失球；清白的历史 clean as a hound's tooth clean as a whistle