I was surprised by his stern attitude.

This book, which is missing a large proportion of its scrolls, is a 'zero book'.

Racism is a major social issue, and it requires everyone's cooperation to solve it.

He is well-versed in the use of a rapier.

This contract was established by the stipulation.

The government declared martial law to quell the unrest in the country.

He claimed that he is not a racist.

I strengthen my body by taking a cold bath every morning.

I take a cold bath every morning to strengthen my body.

It's difficult to adjust the hot and cold in this room.