Kouke is my best friend.

He has a collection of Rokubu.

His humor is a bit lowbrow and unrefined.

I like drinking Lowenbrau.

He is an expert in enzymology and has conducted many studies in that field.

He is an expert in enzymology and conducts many researches.

My great-great-grandfather was engaged in agriculture.

My great-great-grandmother lived a very long life.

It's very painful when a chigoe gets stuck in your foot.

Walking on the singing sand beach is very relaxing.