1 [C] something which is illegal and which people are punished for, for example by being sent to prison 罪；罪行: to commit a crime 犯罪

2 [U] illegal behaviour or activities 不法行为；犯罪活动: There has been an increase in car crime recently. 近来与汽车有关的犯罪活动增加了。to fight crime 打击犯罪活动

3 usuallya crime [sing] something that is morally wrong 罪过；罪恶: It is a crime to waste food when people are starving. 浪费食物是一种罪过，很多人还在挨饿呢。