削尖

yī gēn xuē jiān de qiān bǐ

一根削尖的铅笔

a sharp pencil

zhè ge qiān bǐ de bǐ xīn duàn le suǒ yǐ wǒ zhǐ hǎo xuē jiān tā

这个铅笔的笔芯断了，所以我只好削尖它。

The lead broke on this pencil, so I have to sharpen it.