zhè zhī / zì lái shuǐ bǐ / de / bǐ jiān / hěn xì / shì hé / yòng lái / shū xiě / xiǎo zì

这支自来水笔的笔尖很细，适合用来书写小字。

The nib of this fountain pen is very fine, making it suitable for writing small characters.