He cautioned not to speak ill of others, saying, 'Illness enters by the mouth, and disaster does not come out of it.'

He said he couldn't agree with the views of the revisionists.

He is good at solving technical problems.

He always has an optimistic attitude.

His music is very avant-garde, and some people might not understand it.

He is facing economic problems.

This word is etymologically derived from Latin.

Looking at this kanji graphically etymologically, its shape represents its meaning.

Japanese history had a feudal social structure for a long time.

He often acts selfishly.