妄自菲薄 [－－－－]

Jyutping mong5 zi6 fei2 bok6
Pinyin wàng zì fěi bó

Definitions (粵典–words.hk)
  1. 語句
    自己​睇​唔​起​自己​；​太過​自卑​、​冇​自信
    to look down upon oneself; to lack confidence in oneself; to feel unduly inferior
    • 你唔好咁妄自菲薄啦，其實你已經寫得好好㗎喇。
      你唔好咁妄自菲薄啦，其实你已经写得好好㗎喇。
      nei5 m4 hou2 gam3 mong5 zi6 fei2 bok6 laa1, kei4 sat6 nei5 ji5 ging1 se2 dak1 hou2 hou2 gaa3 laa3.
      Don't look down upon yourself - in fact, your writing is not bad at all.

妄自菲薄 [－－－－]

Jyutping mong5 zi6 fei1 bok6
Pinyin wàng zì fěi bó

Definitions (CC-CEDICT)
  1. to be unduly humble (idiom)
  2. to undervalue oneself
Definitions (Wiktionary)
  1. phrase, idiomatic
    to excessively see oneself as inferior; to look down upon oneself excessively
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    你唔好咁妄自菲薄啦，其实你已经写得好好㗎喇。
    你唔好咁妄自菲薄啦，其實你已經寫得好好㗎喇。
    nei5 m4 hou2 gam3 mong5 zi6 fei2 bok6 laa1, kei4 sat6 nei5 ji5 ging1 se2 dak1 hou2 hou2 gaa3 laa3.
    • Don't look down upon yourself - in fact, your writing is not bad at all.