重点讲解：
1. and all 等等；甚至包括；
He dropped his sausage on the pavement and someone's dog ate it, mustard and all.
他把香肠丢在人行道上，不知是谁家的狗将香肠甚至连带芥末都吃个了精光9yt[qanDf&j9S。
2. be able to do sth. 可以…的，能够…的；
It must be better to be able to offer them love and security.
要是能给予他们关爱和安全感肯定会更好*c,rWFtCHa)i|0。
3. at risk 处境危险；有风险的；在危险中；
The report underlined his concern that standards were at risk.
报告强调了他对道德水准可能会受影响所表示的关注3BSA%I!=^kaSEjq+。
4. sniff out 发现；找到；
Journalists are good at sniffing out a scandal.
记者善于发现丑闻D]ygw@S-+H。