1. 这兄弟俩看上去很相像。

[ zhè xiōng dì liǎng kàn shàng qù hěn xiāng xiàng 。 ]

The two brothers look very much alike.

2. 这几个兄弟各有所好。

[ zhè jǐ gè xiōng dì gè yǒu suǒ hǎo 。 ]

The brothers differ from each other in their interests.