kě-khip低級

low-grade

low-grade; low-level; elementary; primary; rookie; vulgar; low-brow; low grade (grade 1 and grade 2)

education

English Wiktionary, “低級” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E4%BD%8E%E7%B4%9A · confidence: Medium (Wiktionary, Hokkien)