The topic of sex is taboo between us.

A deep moat was dug around the castle.

My grandchild is studying at school now.

His efforts are not enough.

Satoru turned his eyes to his own inner self and opened true enlightenment.

I will call him later.

I will study in the library after class.

The large peg of this building is very big.

Mr. Ei is my best friend.

There is a large moat around this castle.