Porky

give the lie

To respond to an insult, accusation, or falsehood by saying the offender is lying, particularly in the context of provoking a challenge to a duel.

give the lie to

To reveal or prove (something) to be false; to refute.

I can't lie

To be honest, frankly, honestly.

I tell a lie

I am mistaken; I thought that what I said (or wrote) was true, but I have just realised that it is not.

let a sleeping dog lie

Alternative form of let sleeping dogs lie.

let sleeping dogs lie

To leave things as they are; especially, to avoid restarting or rekindling an old argument; to leave disagreements in the past.

lie at someone's door

To be the fault or responsibility of someone.

lie back and think of England

Synonym of close one's eyes and think of England: to accept unwanted sex due to social pressures.