He has a congenital disability.

He overcame his disability and achieved great success.

She is a wonderful weaver.

Nitrous acid plays an important role in chemical reactions.

He racked his brains all night to solve the exam questions.

The crescent moon is beautiful, isn't it?

He is good at playing the xiao flute.

He played a serenade for her.

He caught a fish in the deep sea.

I have been very busy recently.