He thinks he's smarter than Sarah is.是什么意思？

He thinks he's smarter than Sarah is.

他认为自己比萨拉聪明。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

thinks

v. 想( think的第三人称单数 )，思索，以为，认为；

例句
Julian Lloyd Webber thinks his brother would like the approbation of serious critics...
朱利安·劳埃德·韦伯认为他弟弟希望获得严肃批评家的认可。

smarter

adj. 聪明的；精明的(smart的比较级)；

例句
He thinks he's smarter than Sarah is...
他认为自己比萨拉聪明。

than

conj. 比（用于比较级），宁愿…而不愿，除…以外，一…就；prep. 超过，比；

例句
...more than a thousand acres of land.
1,000多英亩地

Sarah

n. 莎拉；

例句
Since he came to live with me, we have been subject to a campaign of spite and revenge which makes Lady Sarah appear angelic by comparison.
自从他来与我同住，我们之间便摩擦不断;相比之下，萨拉夫人倒显得一副菩萨心肠。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。