If you describe what someone says as glib, you disapprove of it because it implies that something is simple or easy, or that there are no problems involved, when this is not the case.
例句
...the glib talk of 'past misery'...對“昔日苦難”的輕描淡寫Mr. Lewis takes an insufferably glib attitude toward it all.劉易斯先生對這一切不以為意，令人厭惡。
英漢詞典釋義
adj.
<貶>(演講者或演講)油腔滑調的;不誠懇的;未經思考的;膚淺的
a glib talker說話油嘴滑舌的人
英英詞典釋義
Adjective
1. marked by lack of intellectual depth;
"glib generalizations""a glib response to a complex question"