sell someone/yourself/something short

US /sel ˈsʌm.wʌn/jʊərˈself/ˈsʌm.θɪŋ ʃɔrt/
UK /sel ˈsʌm.wʌn/jʊərˈself/ˈsʌm.θɪŋ ʃɔrt/
"sell someone/yourself/something short" picture
1.

低估, 小看

to underestimate or undervalue someone or something

:
Don't sell yourself short; you have a lot of valuable skills.
不要低估自己;你有很多宝贵的技能。
It would be a mistake to sell them short in this competition.
在这场比赛中低估他们将是一个错误。