Unit 2
for the first time 第一次；首次(作状语)
all the way 一路；全程；一直
at all (与否定词连用)根本，丝毫
make oneself at home 别客气
native language 本族语
all around the world 世界各地
the majority of 大多数的
in total 总额；总数
mother tongue 母语
except for 除了有......之外
develop into 长成；发展成
have a good knowledge of...通晓，熟知......
on (over) the phone 在电话里；在打(接)电话
communicate with sb．by sth．通过某物与(某人)联络
know about 了解；知道
come about 发生；产生
the answer to the question 问题的答案
borrow...from.... 从......借(入)......
stay up 不睡；熬夜
end up with... 以......告终
more or less 或多或少
have sorne difficulty in doing sth. 干某事有困难
bring in 引来；引起；吸收
make sure 深信；弄清楚；设法做到