3 sentences

1. 他办事很痛快，从不拖泥带水。

   tā bàn​shì hěn tòng​kuài, cóng bù tuō​ní​dài​shuǐ.

   He handles things decisively and never dilly-dallies.

   Source: Dong Chinese Dictionary

2. 他的性格很脆，从不拖泥带水。

   tā de xìng​gé hěn cuì, cóng bù tuō​ní​dài​shuǐ.

   He has a straightforward personality and never dawdles.

   Source: Dong Chinese Dictionary

3. 他处理问题干净利落，从不拖泥带水。

   tā chǔ​lǐ wèn​tí gān​jìng​lì​luo, cóng bù tuō​ní​dài​shuǐ.

   He handles problems efficiently and neatly, never being sloppy.

   Source: Dong Chinese Dictionary