This problem is very complex, and it is difficult to solve.

He swore absolute obedience to the rules.

He learned to obey the rules.

I bought new Western clothing.

He is a computer security expert, well-versed in the process of decryption.

It took him a while to decode the message.

She looked beautiful in Japanese clothes.

My hometown is Fukuoka Prefecture.

He reads the gospel every day.

He exercises his calf muscles at the gym every day.