He appeared to be quite unmoved by the sudden entry of the infuriated nobleman, or by his raucous bellow: "So here you are, you infernal scoundrel!" He looked at him with a cold, distasteful eye, and said in a clear, very unpleasant voice: "Another time knock before you come into my room." Lord Loudwater had not expected to be received in this fashion; dimly he had seen Grey cowering.
He paused, then said less loudly: "Knock?
Hey?
Knock?
Knock at the door of an infernal scoundrel like you ?" His voice began to gather volume again.

"Likely I should take the trouble! I know all about your scoundrelly game." Colonel Grey remembered that Olivia had said that she proposed to deny the kiss, and his course was quite clear to him.
"I don't know whether you're drunk, or mad," he said in a quiet, contemptuous voice.
This again was not what Lord Loudwater had expected.

But Grey was a strong believer in the theory that the attacker has the advantage, and he had an even stronger belief that an enemy in a fury is far less dangerous than an enemy calm.
"You're lying! You know I'm neither!" bellowed Lord Loudwater.

"You kissed Olivia--Lady Loudwater--in the East wood.

You know you did.