1 sentence

1. 你这样蛮干是不行的，得想个好办法。

   nǐ zhè​yàng mán​gàn shì bù xíng de, děi xiǎng gè hǎo bàn​fǎ.

   You can't just act recklessly like this; you need to find a better way.

   Source: Dong Chinese Dictionary