2 sentences for 说到 (shuō​dào — as for)

1. 说到毒品，只要吃一半就行了。

   shuō​dào dú​pǐn, zhǐ​yào chī yī​bàn jiù xíng le.

   When it comes to drugs, just take half.

   Source: OpenSubtitles

2. 他这辈子向来是说到做到的。

   tā zhè bèi​zi xiàng​lái shì shuō​dào zuò​dào de.

   Throughout his life, he has always been a man of his word.

   Source: Dong Chinese Dictionary