"I sometimes spend the night here if we have a prisoner out front," Crawford explained, noticing my interest.
Susan was too angry to notice his interest in her answer.
Only a fool would have failed to notice your interest.
Livia noticed my interest, and took it upon herself to introduce various members of the Court.
She seemed not to notice his interest in them.
At a very young age, her parents noticed her interest in music.
She didn't seem to notice his covert interest, which was just as well.
His parents noticed Luka's great interest in music at a young age.
All those who were present, however, noticed the princess's interest in the young king.
When he noticed my interest, he smiled and put the object away.