軽薄 けいはく
keihaku

Noun
na-Adjective

1. frivolous; flippant; superficial; shallow; trifling; insincere

「見 わるくないがちょっと軽薄 けいはくそう」な外見 がいけんとは裏腹 うらはら、彼女 かのじょはいないし、女性 じょせい はやいワケでもない。
"mitamewa warukunaiga chotto kēhakusō"na gaikentowa uraharani kanojowa inaishi josēni tega hayai wakedemo nai.
In contrast to his "not bad looks but seems a bit of a dandy" appearance, he didn't have a girlfriend and he wasn't particularly fast with the ladies.