本集核心英语单词及例句：

1.beware (vi.vt.)当心，小心
Beware what and to whom you speak.
小心你说出的话和说话的对象。

2.sound (n.)声音，语音；噪音
Liza was so frightened she couldn't make a sound.
Liza惊吓得发不出任何声音。

3.ward off 避开；挡住
She may have put up a fight to try to ward off her assailant.
她可能进行过一场搏斗，试图击退袭击者。

4.criminal (n.)罪犯
A group of gunmen attacked a prison and set free nine criminals.
一伙持枪歹徒袭击了一所监狱并放走了9名罪犯。

5.thief (n.)小偷，贼
They tackled the thief with no difficulty.
他们毫不费力地抓住了小偷。