clean, clear

clean的反义词有dirty和unclean等，clear的反义词有cloudy, dark, vague等。cloudy和dark形容天气。

clean的近义词有：

• wash with soap and water
• wipe with a damp cloth
• brush with a brush to remove the dirt
• polish by rubbing with a cloth
• scrub by rubbing hard
• sweep with a broom
• mop with water and a mop (=a tool with a long handle)
• vacuum also hoover (英式英语. 不是hover) with a machine that sucks up dust
• disinfect using chemicals to kill germs. dis+infect
• cleanse to clean your skin using a special cream, or make sth completely clean
• rinse to put water on to remove dirt or soap
• dust to remove dust, for example with a cloth

clean-shaven: 胡子刮得干净的; clean-cut: 1. clearly outlined 轮廓清楚的; 2. looking neat and respectable 外貌整洁体面的

clear-cut: easy to recognize and quite distinct =definite [不是clean-cut]

loud and clear: in a way that is very easy to understand

"Clean up" is like cleaning something such as mopping the floor or cleaning the bathroom etc. "Clearing up" can be clearing something out of another thing. 与initialize相对一般用clean up，因为你要(a subsystem)去做清理工作，不是要它清除自己——比较牵强。WSA [Windows Sockets API]始终存在，不能从Windows中清除掉？Cleanup is a noun or an adjective. Clean up is a verb phrase.

词典里的定义：

• If you clean up a mess or clean up a place where there is a mess, you make things tidy and free of dirt again.
• To clean up something such as the environment or an industrial process means to make it free from substances or processes that cause pollution.
• When you clear (a place) up, you tidy things and put them away.

六级/考研单词: dirt, vague, wipe, damp, polish, rub, scrub, broom, mop, vacuum, suck, germ, cleanse, lotion, outline, neat, tentative, loud, noun, adjective, verb, socket, tidy, pollute