Meanings
Expression, Na-adjective
in one's senses; sane
Example sentences
気は確かか。
Are you crazy?
気は確かかい?
Are you crazy?
あなたたち二人とも気は確かなの?
Are you both crazy?
酔ってるかもしれないが、気は確かだ。
I might be drunk, but I'm not crazy.
ベルボトムなんか履いて、気は確かなの?
Have you lost your marbles, wearing those bell-bottoms?