1. zero in on

Meaning: If you zero in on something, you focus your attention on it.

中文解析：瞄準(zhǔn)，對準(zhǔn)…;對…集中火力、注意力

If you're reporting on an issue rather than an event, first get the reader interested by zeroing in onthe main players and their conflict.

如果你在就某爭議問題做報(bào)告而非某事件，那么首先你要讓讀者注意到主角和他們之間的沖突。

I like the way our lecturer zeroes in on the central issues without spending too much time on all that boring background information.

我喜歡這種授課風(fēng)格，授課者直接集中火力在主要事件上而非花過多時(shí)間在無聊的背景信息上。

2. zero tolerance

Meaning: If something is given zero tolerance, it won't be accepted even once.

中文解析：零容忍，一次都不允許。

Because of the school's zero-tolerance policy, our boy was expelled for smoking just one cigarette.

由于學(xué)校采取零容忍政策，所以學(xué)校男生僅僅因?yàn)槲艘桓鶡熅捅婚_除了。

3. zero-sum game

Meaning: A zero-sum game is a situation in which any gain by one side or person is at the expense of a loss to another side or person involved in the situation.

中文解析：零和博弈又稱零和游戲 (zero-sum game)，與非零和博弈相對，是博弈論的一個(gè)概念，屬非合作博弈，指參與博弈的各方，在嚴(yán)格競爭下，一方的收益必然意味著另一方的損失，博弈各方的收益和損失相加總和永遠(yuǎn)為“零”。雙方不存在合作的可能。

The stock market has become a giant zero-sum game in which one investor gains what another investor loses.

股票市場已經(jīng)成了一個(gè)巨大的零和博弈游戲，在股票市場中一個(gè)投資者賺到的同時(shí)就會(huì)有另一個(gè)投資者輸錢。

In a zero-sun game, if you add the total gains of the participants and the total losses of the participants, the sum will always be zero.

在零和游戲中，如果你把所有參與者賺到的和輸?shù)舻募釉谝黄?，總和永遠(yuǎn)是零。