The Pentagon is the headquarters of the U.S. Department of Defense.

He was sleeping while sleeptalking.

A goblin came out of the forest.

This sentence may be a mistranslation, so please check it again.

This sentence may be mistranslated.

This new word is a portmanteau, combining two words.

Please tell me the stem of this word.

This imperial rescript is a message conveying the emperor's will to the people.

This book contains a lot of rare words.

This book is difficult to understand because it contains many difficult words.