听力资源简介：

silly　
(a.) 愚蠢的

You were afraid to talk to me? That's silly.
你害怕跟我说话？那真蠢。

swear　
(v.) 发誓，保证

I won't tell anyone your secret. I swear!
我不会告诉别人你的秘密。我发誓！