ě-bīn下面

underside

underside; below; beneath; under; next in order; following; lower levels; subordinates; private part

English Wiktionary, “下面” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E4%B8%8B%E9%9D%A2 · confidence: Medium (Wiktionary, Hokkien)