2 sentences

1. 他正用锯子锯木头。

   tā zhèng yòng jù​zi jù mù​tou.

   He is sawing wood with a saw.

   Source: Dong Chinese Dictionary

2. 工人们用锯子把木头截断了。

   gōng​rén men yòng jù​zi bǎ mù​tou jié​duàn le.

   The workers sawed the wood into segments.

   Source: Dong Chinese Dictionary