He is enjoying the performance of kudara-gaku.

He is an expert in osteology.

He loves mountains and goes climbing every year.

My major is chemical engineering.

Please tell me the way to solve this problem.

We are considering introducing a new voting system.

The police used a water cannon against the demonstrators.

Learning a new input method is difficult.

Hiroshi, true to his name meaning prosperous, runs a thriving company.

He lied to cover his shame.