shikse

His grandmother was upset that he was dating a shikse.

祖母は、彼が非ユダヤ人の女性と付き合っていることに腹を立てた。

In the novel, his mother coldly calls his girlfriend a shikse.

その小説で、彼の母親は彼の恋人を冷たく「シクサ（非ユダヤ人の女）」と呼ぶ。