重点讲解：
1. round up 围捕；逮捕；
We've rounded up a selection of products.
我们已经精心挑选了一些产品67V!R)dKm~t3so;_。
2. settle on 选择；选定；
They could not settle on where top spend the holiday.
他们还决定不了到哪儿去度假0cnB+Nfy[zqb(。
3. take to 养成(做…)的习惯；开始定时(做…)；
They had taken to wandering through the streets arm-in-arm.
他们养成了挽着胳膊逛街的习惯h=P,MEbd!]G#k%!c8]pu。
4. play it safe 谨慎行事；避免冒险；
Just play it safe, cover your ass, keep your head down.
要谨慎行事，保护好自己并保持低调j,IS),,2*_i@H。