Vocabulary

真面目

serious; earnest; sober; grave

na-adjective noun
N4 freq #36

Example sentences

He is of a serious turn of mind.

He is being earnest today.

He began to study in earnest.

He led a sober life.

He is an earnest young man.

He is a very earnest person.

Before the exam, he began to study in earnest.

I find it difficult to talk to you about anything serious.