[--]

Jyutping bat1 haa6 jyu1
Pinyin bù xià yú

Definitions (Wiktionary)
  1. verb, formal
    to be not less than
    (syn.) 不下
  2. verb, formal
    to not be inferior to
    (syn.) 不下

不下於 [--于]

Jyutping
Pinyin bù xià yú

Definitions (CC-CEDICT)
  1. as many as; no less than
  2. not inferior to; as good as; on a par with
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    考砸的学生不下于10个。
    考砸的學生不下於10個。
    kǎo zá de xué sheng bù xià yú 10 gè 。
    • As many as ten students failed the exam.