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.