1
- an action or omission which constitutes an offence and is punishable by law罪, 罪行：
shoplifting was a serious crime.
商品扒窃是一种严重的罪行。
1.1
- mass noun illegal activities犯罪（活动）：
the victims of crime
犯罪活动的受害者。
1.2
- an action or activity which, although not illegal, is considered to be evil, shameful, or wrong罪恶行为（或活动）; 可耻行为; 不道德行为：
they condemned apartheid as a crime against humanity
他们将种族隔离斥之为违背人性的可耻行为
with infinitive it's a crime to keep a creature like Willy in a tank.将威利这样的动物关在水池里是不人道的。
with obj.
- Brit. informal (especially in the army) charge with or find guilty of an offence〈英, 非正式〉（尤指在军队里）指控…有罪; 判…有罪：
they found the note and I got crimed for it.
他们发现了便条, 我因此被控有罪。
词源
Middle English （in the sense 'wickedness, sin'）：via Old French from Latin crimen 'judgement, offence', based on cernere 'to judge'.