"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.

He was hiding the fact that he was an illegitimate child.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.

I'm Jewish.

It is reported that North Korea has conducted another underground nuclear test.

He is an expert in experimental psychology.

He is spending a lot of time on experimental research.

He is known as an expert in subcritical nuclear experiments.