Line to take

I've heard something like "lie to take",or "line to take".

May you suggest what it means?

I am sorry not able to give you exact words.

TS

I've heard the "line to take." Meaning the approach you want to take when explaining something or dealing with a situation.

As in 4a from Merriam-Webster online:
4 a: a course of conduct, action, or thought b : a field of activity or interest c : a glib often persuasive way of talking