1. spar with sb. 與某人爭(zhēng)論/較量
With the primary season forgotten, Mr Obama is now sauntering towards the centre, ready to spar with John McCain.
黨內(nèi)初選經(jīng)過(guò)去，奧巴馬現(xiàn)在正式走上總統(tǒng)競(jìng)選的舞臺(tái)，準(zhǔn)備和約翰·麥凱恩一爭(zhēng)高下7y0UjCzk4r%&lCcvH-!。

2. an indictment of ……的跡象
The poverty in our cities is a damning indictment of modern society.
我們的城市中貧民的苦況就是現(xiàn)代社會(huì)的一大敗象on&=_]O7srmHArrp0(sR。

3. riven by 被……破壞
This country is often riven by earthquakes.
該國(guó)經(jīng)常受到地震的破壞#h-e^AqO=*C4r。

4. knack for ……的訣竅
Well, it takes a little practice but eventually you will get the knack for doing the right thing at the right time.
嗯，需要一些練習(xí)，但最終你是能掌握如何在適當(dāng)?shù)臅r(shí)機(jī)做適當(dāng)?shù)氖虑榈脑E竅的x%&niG#Lw_。