Her skirt with the houndstooth pattern is very nice.

I am doing volunteer work to contribute to the community.

He was watching the situation as a detached observer.

His contribution led our project to success.

He became my guardian.

She is entrusted with the guardianship of the elderly.

She ended up having to watch over her sick grandmother.

I went to Beijing, in China.

He is a doctor, so you can trust his advice on health.

I have an important business to discuss with you.