注解：tip是“给小费”。字面理解“给某人消费”，这里引申为“给某人好处”，指某人因为被给了好处，泄漏了重要信息。

例句：The burglars were arrested because the police were tipped off.

强盗被抓住了，因为警察已经被告知了。

730. to the hilt – completely, to the limit. 到头/到底

注解：hilt n. 剑柄，包括护手。指整个剑身都插了进去。

例句：He’s borrowed a lot of money against his house. He is mortgaged to the hilt!

他用房子抵押借了很多钱（他全都抵押进去了）。

731. to the manner born – Destined to be suited to something, by virtue of birth or custom and practice. 从小就习惯；天生就适合

注解：manner 是“方式；风格；礼貌；种类”。字面理解“生来的风格”，也就是某人生下来就有做某事该有的风格，也就是口语中常说的“天生就是那块料。”

例句：He was a gentleman to the manner born.

他是一个天生的君子。

732. to travel hopefully is a better thing than to arrive – Hope and anticipation are often better than reality. 满怀希望地前进，更胜于到达目的地

注解：字面理解“满怀希望地旅行比到达目的要好”。

例句：Little do ye know your own blessedness ; for to travel hopefully is a better thing than to arrive, and the true success is to labor

你并不知道自己有多么幸福，因为满怀希望地前进，更胜于到达目的地。真正的成功，乃是奋斗。

733. tooth and nail – as hard as possible, fiercely. 拼命，竭尽全力

注解：tooth是“牙齿”，nail是“指甲”。形容在搏斗中开始用指甲抓用牙齿咬，拼命，竭尽全力的状态。

例句：Although they were going to take that an account away from me, I fought tooth and nail to keep it.

尽管它们想把那个账号从我这里拿走，我拼命给留住了。

734. top-notch – excellent, the best. 最好的，一流的

注解：top本身就是“顶尖”的意思，notch 是“等级”。字面理解“顶级的”，就是最好的。

例句：He never loses a court case. He is a top-notch attorney.

他在法院战无不胜，他是个一流的代理人。

735. topsy-turvy – upside down, in disarray. 上下颠倒/乱七八糟。

注解：topsy-turvy adj. 颠倒的；乱七八糟的。Topsy 就是top 的变种，turvy是turn的变种，也就是反转了上面的意思，就是上下颠倒。

例句：When you move from one apartment to another, everything is topsy-turvy.

当你从一个公寓搬到另一个公寓，一切都变得乱七八糟。

736. top dog – the dominant one. 一把手，领头人

注解：top本身就有“领头”的意思，dog 是“狗”。字面理解“领头狗”。这里的“狗”指的是“人”。比喻领头人都累得跟狗一样。

例句：Hawking used to be a top dog in theoretical physics.

霍金曾经是理论物理学届的一把手。

737. touch and go – very dangerous or uncertain. 危险

注解：touch and go 有多个含义，“危险”是最常用的。 源于航海中船差点搁浅的情况。touch表示擦到了礁石或者海底，go代表船没事所以可以继续航行。

例句：She was sent to the hospital in very poor health. The doctors said that it was touch and go.

她被送去医院的时候身体很差，医生说当时情况很危险。

738. tough break – unlucky event, misfortune. 不走运

注解：tough作为形容可以表示“坚决的；强硬的；不幸的；坚固的”等多种含义。break作为名词也有“折断；裂缝；休息；假期；逃跑；突变”等多种含义。两个单词连接起来应该理解为“不幸的突变”，形容某人不走运，很倒霉。

例句：Breaking his leg in the middle of football season was a tough break for John.

在（橄榄球）赛季中摔断了腿，John的运气也够差的。