ぼそりと
JD1
(of the way in which a person behaves) by being off in space / (of the way in which a person behaves) by doing nothing / (of the way in which a person behaves) absent-mindedly / (of the way in which a person behaves) blankly / (of the way in which a person behaves) idly / (of the way in which a person behaves) vacantly