Free of dirt or impurities; not dirty.

• Hygienic or sanitary.

干净的；无污垢或杂质。

• 卫生的。

To remove dirt from something.

• To tidy up and make a place neat.

去除污垢。

• 把地方收拾整齐。

The act or process of cleaning.

• Removal of dirt.

清洁的过程或行为。

• 去除污物。

Honest or lawful; free of wrongdoing or corruption.

• With no offenses on a record.

清白守法；没有不当行为或腐败。

• 无犯罪或违规记录。

Environmentally friendly; causing little pollution.

环保的；污染少的。

Completely; entirely.

完全地；彻底地。

Weightlifting: the clean in the clean and jerk.

• Lifting the bar from floor to shoulders.

举重：挺举中的上翻阶段。

• 将杠铃从地面翻至肩部。