He was chin-stroking as he considered the problem.
The act of stroking one's chin, often while thinking or contemplating.
She was chin-stroking while trying to solve the puzzle.
To stroke one's chin, typically as a gesture of thoughtfulness or contemplation.
शक्तिशाली निःशुल्क चित्र शब्दकोश र फ्ल्यासकार्डहरू सहित।