「妄自菲薄」

(pos:動詞)
<explanation>
yue:自己睇唔起自己；太過自卑、冇自信
eng:to look down upon oneself; to lack confidence in oneself; to feel unduly inferior
<eg>
yue: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.)
eng:Don't look down upon yourself - in fact, your writing is not bad at all.