Unit 1
1. concern v.
concern oneself with/about sth.
对
…感兴趣
He didn
’
t concern himself with details.
2. behave v.
表现
He behaved like a true gentleman.
He behaved as if nothing had happened.
He behaved badly towards their guests.
behave (oneself)
表现得体,有礼貌
I want you to behave yourselves while I am away.
She doesn
’
t know how to behave in public.
3. shade Un.
阴凉处,树荫
+of
We sat down in the shade of the wall.