| 词组 | crack |
| 释义 | crack [cracked, cracked, cracking] crack down crack down if people in authority crack down on an illegal activity, they become much stricter about making people obey the law, in order to stop it from happening - used in news reports +on ▪ Interior Minister Jean-Louis Debre wants to crack down on illegal immigration. ▪ The Mexican authorities have been cracking down on drug-related crime. ▪ He accused them of failing to crack down on terrorist organizations. ■ SIMILAR TO: ↑clamp down crackdown n C when people in authority become much stricter about something in order to prevent it from happening +on ▪ a crackdown on drug trafficking crack on crack on BrE informal to continue working hard at something in order to try and finish it: ▪ We've got a lot to do, so we'd better crack on. +with ▪ I'm hoping to crack on with the decorating this weekend. ■ SIMILAR TO: ↑get on especially spoken crack up 1. crack up informal to become mentally ill and unable to deal with your life or work: ▪ Vince worked a 12-hour day and never took weekends off - eventually he just cracked up under the strain. ▪ I've left my car keys in the car. I must be cracking up! ■ SIMILAR TO: ↑fall apart 2. crack up • crack sb up informal to suddenly laugh a lot, or to make someone laugh a lot: ▪ Everyone in the class cracked up when they saw what was written on the blackboard. ▪ Stuart's face is so funny - he really cracks me up. ■ SIMILAR TO: ↑crease up BrE informal 3. sth is not all it's cracked up to be spoken used to say that something is not as good as people say it is: ▪ "Being famous is not all it's cracked up to be," said Whitney. "There's a lot of pressure on you." |
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