重点讲解：
1. be into sth.
对…很感兴趣；极喜欢；
eg. People are into getting healthy now.
现在人们很注意增进身体健康6E97;Z^xK7&kWT),6。
eg. Darla's boyfriend is into body-building.
达娜的男朋友热衷于健美运动cwBsF+jzxlHoT@h^。
2. now and then
时而；有时；
eg. Everyone needs a pat on the back now and then.
每个人都需要不时地得到鼓励pQ.dX;A98)+iQ)。
eg. It's better to express your anger now and then, rather than bottle it up.
经常把恼怒讲一讲、说一说总比憋在肚子里好_kYzp|rj)4。
3. look around
（四处）转转；参观；
eg. I just want to look around and see if I can get any gifts to take home.
我只是想随便看看，看能不能买到什么礼品带回国去2_5HNzQ,vLnuPE。
eg. You have 15 minutes to look around.
你有15分钟的时间到周围看看645Qy*K4kOz3bqcr&POh。
4. once in a while
偶尔；间或；
eg. Earrings need to be taken out and cleaned once in a while.
耳环要偶尔取出来清洗一下_8kT0Xow.bK。
eg. It's a relief to get out of the office once in a while.
偶尔走出办公室去透透气也是一种调剂Q!-c.Sypds6e。
5. try on
试穿；试戴；
eg. Try on clothing and shoes to make sure they fit.
试穿一下衣服和鞋子，看看是否合适x]*rHxZCBiVH&u。
eg. You'd better try on the shoes before you buy them.
在买鞋之前你最好试穿一下JjSuDt&o1~=IH2u。