他是一只黄色的狗，但是耳朵是黑色的。

Tā shì yì zhī huángsè de gǒu, dànshì ěrduo shì hēisè de.

He's a yellow doge, but (his) ears are black.

我喜欢他但是他喜欢你。

Wǒ xǐhuān tā dànshì tā xǐhuān nǐ.

I like him but he likes you.

我很想去旅行，但是现在没有时间。

Wǒ hěn xiǎng qù lǚxíng, dànshì xiànzài méiyǒu shíjiān.

I really want to travel, but I don't have time now.