1.signal n.信号；标志

A red lamp is often a danger signal.
红灯常常是危险的信号。

2.tedious a.单调乏味的；沉闷的

The tedious job simply ate me up.
那单调乏味的工作简直把我烦死了。

3.confound v.使困惑；混淆；挫败

Don't confound the means with the ends.
不要把手段和目的混淆起来。

4.cosmic a.宇宙的；广大无边的

I have mystical visions and cosmic vibrations.
我有神秘的幻觉和宇宙的震波。

5.controversial a.有争议的；引起争论的

We tried to stay away from controversial topics at the dinner party.
晚宴上我们尽力避免一些有争议的话题。