1.worth the risk 值得冒险
Critics say the toxic waste from nuclear power generation remains a problem for thousands of years and is not worth the risk.
批评人士指出，核残留物的影响会持续上千年，不值得冒这个风险%3bg8(gsJ>.l。

2.on the spot 当场
One day they caught her with her hand in the cookie jar; she was stealing stamps for personal use and she was fired on the spot.
有一天，正当她在偷邮票给她自己用的时候被人当场抓着F|1oC]N9|uTA_|^m!(y,。她立即就被解雇了men^1De1Z0GVa^d2zm,%。

3.shoot from the hip 鲁莽行事；信口开河
Many interviewers have been surprised at the chancellor's ability to shoot from the hip.
该大臣的信口开河令采访者纷纷惊讶不已yW_k.U9xS5U&sG*^V*K^。

4.point out 指出
What we have been trying to point out to people are the dangers of crossing.
我们一直在努力告诉大家，偷渡是很危险的m=fz|OW-ySsbLN。