Take my word for it

Take my word for it

（相信我说的话）

A：Can you recommend some medicine for my headache?

B：Take one tablet of this medicine and then go to sleep.

A：Does it work?

B：Yes. Take my word for it, and you’ll be better very soon.

　　Take my word for it. 常用于口语中，表示“告诉某人相信我说的话”。