不信的；无信心的；无信仰的；（作名词）不信者

without faith; without confidence; unbelieving; (as noun) non-believer

不清澈的；浑浊的；不纯净的（指水或心）

not clear; turbid; impure (of water or mind)

不高兴的；不满意的；不悦的

displeased; not satisfied; not pleased