Can't take (one's) eyes off (of) (someone or something) spoken language verb phrase
If you "can't take your eyes off someone or something", you can't stop looking at them.
The boy is so charming that I can't take my eyes off him.
It's such a thrilling movie that I can't take my eyes off it.
I can clearly see you fall in love with James. You can't take your eyes off him when he's talking.
From the moment he came in here, I couldn't take my eyes off him.
To spend the excessive amount of time on watching television
To quickly look at someone or something
If a person "casts around for someone or something", he/she looks around to find something/someone, or search for an idea.
Try to look everywhere for someone or something
To observe one's activity
The verb "can" should be conjugated with its tense.