A hypocritical girl is always unpopular. or An insincere girl is always unwelcomed. The "insincere" is exchangable with "hypocritical". It is the same as "unpopular" and "unwelcomed".
偽善： hypocritical【偽善的,虛偽的】 double-faced【有兩面的;雙重性的;偽善的;兩面派的...
虛偽:hypocritical 假裝:pretended 習慣:habitual 厭倦:tiresome 有你們真好:It is so wonderful to have all of you 親愛們:my dearest friends