你的手指很长。

Nǐ de shǒuzhǐ hěn cháng.

Your finger is very long.

你切东西的时候要小心，别切到手指。

Nǐ qiē dōngxi de shíhou yào xiǎoxīn, bié qiēdào shǒuzhǐ.

Be careful when you're cutting things, don't cut your finger.

我的手指流血了。

Wǒ de shǒuzhǐ liúxuè le.

My finger was bleeding.