He was set to accompany on a business trip.

I ended up accompanying her on the trip.

His hobby is reflected everywhere in his house.

He contracted meningitis.

He is an expert in ethology, and his research is highly regarded worldwide.

He suffered for a long time due to tabes dorsalis.

He starts talking about himself at every opportunity, causing trouble for the people around him.

He likes to take a walk in the park at dusk.

This allele greatly affects the inheritance of color vision.

Yesterday, our town was hit by a big flood.