我觉得坐火车比打车慢很多。

Wǒ juéde zuò huǒchē bǐ dǎchē màn hěn duō.

I think that riding the train is much slower than calling a cab.

她走得很慢！

Tā zǒu de hěn màn!

She walks very slowly!

这台电脑速度太慢啦！

Zhè tái diànnǎo sùdù tài màn la!

This computer is too slow!