bored的動(dòng)詞原形是什么

　　例句：

　　There were several young people sitting around looking bored.

　　有幾個(gè)年青人閑坐著，一副無聊的樣子。

　　The drill is strong enough to bore through solid rock.

　　這把鉆足以鉆透堅(jiān)固的巖石。

　　The title of the essay bore little relation to the contents.

　　這篇文章的題目與內(nèi)容很不相符。

　　There was a bored expression on her face.

　　她臉上有一種厭倦的表情。