I saw Mavriky Nikolaevitch bend over her from behind; he seemed to mean to whisper something to her, but evidently changed his intention and drew himself up quickly, looking round at every one with a guilty air.

Nikolay Vsyevolodovitch too excited curiosity; his face was paler than usual and there was a strangely absent-minded look in his eyes.

After flinging his question at Stepan Trofimovitch he seemed to forget about him altogether, and I really believe he even forgot to speak to his hostess.
He did not once look at Liza--not because he did not want to, but I am certain because he did not notice her either.

And suddenly, after the brief silence that followed Yulia Mihailovna's invitation to open the meeting without loss of time, Liza's musical voice, intentionally loud, was heard.

She called to Stavrogin.
"Nikolay Vsyevolodovitch, a captain who calls himself a relation of yours, the brother of your wife, and whose name is Lebyadkin, keeps writing impertinent letters to me, complaining of you and offering to tell me some secrets about you.