小半

hái shèng xia yī xiǎo bàn xī guā

还剩下一小半西瓜。

There's still the smaller part of the watermelon left.

yī xiǎo bàn píng guǒ

一小半苹果

smaller half of an apple

yī xiǎo bàn xué shēng

一小半学生

less than half of the students

zài qí zhōng zhǐ zhàn yī xiǎo bàn

在其中只占一小半

have a small part in