He declared a win in mahjong.

He achieved a Tanyao (All Simples) in Mahjong.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

In set theory, the symmetric difference indicates the difference between two sets.

She has trypophobia, and feels discomfort when she sees things with many holes like beehives or corals.

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

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

I'm Jewish.

Will you marry me?

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