He instinctively scratched his head when faced with a difficult problem.

He scratched his head when faced with a difficult problem.

He is bright, so he was able to solve the problem immediately.

He is irritable about everything.

That old house has a creepy atmosphere.

We should always remember the power of Kannon in difficult times.

He said, 'Where there is a will, there is a way,' and faced the difficult situation.

He strongly believes in the philosophical thought, 'I think, therefore I am.'

His new yacht has a high-bow design.

Cephalopods are a type of marine life that includes squid and octopus.