21通知 make an announcement
22相继地，按顺序地 one after another
23相互，彼此(三者或三者以上之间) one another
24相互(指两者之间) each other
25没有回答 give no answer
26为…而担心 be anxious about
27急于做某事 be anxious to do sth.
28分开住 live apart
29除了 apart from
30因某事向某人认错或道歉 make/offer an apology to sb for sth.
31与某人争论某事 argue with sb. about sth.
32放在一边 lay sth. aside
33请某人指点 / 帮助 ask sb. for advice / help
34惊讶于… be astonished at sth.
35以前，曾经 at one time
36注意 pay attention to
37对…抱正确的态度 take a correct attitude towards sth.
38引起(注意，兴趣等) attract one’s attention
39仰卧/仰泳 lie / swim on one’s back
40重感冒 a bad cold