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399. let someone off the hook – excuse from a penalty or promise. 放过某人一马；原谅；饶恕

注解：off 在这里是“退出，离开”的意思，指的是替上钩的鱼取下鱼钩，把鱼钩从嘴里退出来。就是说虽然这一次鱼上钩了，但是饶过它一次，不再纠缠。

例句：Because this was his first criminal offence, he was let off the hook.

因为这是他第一次犯罪，所以被饶恕了。

400. let the cat out of the bag – tell a secret. 不小心得泄露了秘密

注解：字面意思很直观，让猫从袋子里跑出来了。这句话的缘由是欧洲16世纪开始售卖的小猪经常是装在麻袋里的，有些奸商会用其他更便宜的动物比如小猫来代替小猪。如果不小心让猫跑了出来就等于是泄露了不想告人的秘密。

例句：His surprise birthday party was cancelled because someone let the cat out of the bag.

他的惊喜生日派对因为有人泄露了秘密被取消了。

401. Let the chips fall where they may – Act regardless of consequences. 专注于目标，无视达成目标必须造成的后果

注解：这里的chips是指碎屑，更准确的说是伐木的时候下斧子产生的木屑，一个伐木工人的目的是砍树而不是去担心木屑掉在哪里。说出这句话的意思就是要让对方专注于应该做的事情，而不是担心这个行动产生的许多后果。

例句：The police were asking him about the robbery. He knew he had to tell everything he knew and let the chips fall as they may.

警察向他询问抢劫事件的详情。他知道他只能如实交代，无论会产生什么后果。

402. like a ton of bricks – strongly, forcefully. 重重地

注解：brick 是“砖”。字面理解“像一顿砖一样”，一顿砖一定很重。引申为程度副词“重重地”。

例句：When I was told that my favorite uncle died, it hit him like a ton of bricks.

我最爱的舅舅去世的消息重重地打击了我。

403. live high off/on the hog – have many luxuries, be very comfortable. 有钱，不愁吃喝

注解：hog 作为名词是“野猪”，作为动词是“占用”。high on the hog 是指一头野猪身上最好吃的部位。能吃到野猪身上最好吃的部位一定是混得不错啦。

例句：When you see their new home, you’ll know that they live high off the hog.

等你看到他们的新房子，你就知道他们混得不错。

404. live it up – pursue pleasure, have a good time. 享受/消遣

注解：up 也有高大上的意思，字面理解“过得高大上”，肯定很享受了。

例句：Now that school is over, I want to live it up this weekend.

既然学校上完了，我周末要好好消遣一下。

405. live wire – active exciting person. 十分外向，有趣的人；生龙活虎的人

注解：live wire 通常是指电源上的火线，见了live wire（十分有趣的人）就像摸了电线一样令人兴奋。

例句：People always want her at their parties because she is a live wire.

大家都想请她去参加派对，因为她十分外向有趣。

406. loaded – having lots of money. 有钱，喝多了

注解：load v. 装载，装货。过去式就表示已经装完了，装满了。根据情况不同可以指装满了不同的东西，比如说武器弹药，食物，钞票，或者酒精。

例句：Ever since he started his new business, he appears to be loaded.

他自从开了公司，一直是一副大款模样。

例句：I can tell by the way she spoke that she was loaded.

从她说话的样子一看就是喝多了。

407. look down one’s nose at – think someone is worthless or unimportant, show contempt. 看不起某人

注解：字面理解“顺着某人的鼻子往下看”，就是看低别人，看不起别人

例句：She thinks she is better than everyone else. She always looks down her nose at others.

她总觉得自己比别人强，她总是看不起别人。

408. look into – investigate, check. 调查

注解：字面是看进去的意思，可以想象某个事件就像一个从外面看不透的盒子，必须进去才能看明白。

例句：I’m going to look into the possibility of getting a scholarship for college.

我正在调查有没有可能拿奖学金。