仔细看看，其实他们的眼睛是有区别的。

Zǐxì kànkan, qíshí tāmen de yǎnjing shì yǒu qūbié de.

Look carefully, actually their eyes are different.

他们两个的性格很大区别。

Tāmen liǎng gè de xìnggé hěn dà qūbié.

There is a big difference in their personalities.

这两个词意思很接近，但还是有一点区别。

Zhè liǎng gè cí yìsi hěn jiējìn, dàn háishì yǒu yìdiǎn qūbié.

These two words are very close in meaning, but there is still a slight difference.