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Jyutping bui3 sam1
Pinyin bèi xīn

Definitions (CC-CEDICT)
  1. sleeveless garment (vest, waistcoat, singlet, tank top etc)
  2. CL:件[jian4]
Definitions (粵典–words.hk)
  1. 名詞
    着​喺​上半身​,​冇​袖​嘅​衫​(​量​詞​:​件​)
    vest; waistcoat; tank-top; a piece of garment without sleeves
    • 背心底衫
      背心底衫
      tank top undershirt
    • 背心褸
      背心褛
      vest jacket
Definitions (Wiktionary)
  1. noun
    sleeveless and collarless piece of clothing; singlet; vest (Classifier: 件)
    (syn.) 馬甲, 马甲, 䘥仔
  2. verb, literary
    to be at odds with the community or the leadership
    (syn.) 離心, 离心
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 六级词汇表 #26
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 服飾:臺
    背心
  2. 服飾:陸
    背心、馬甲
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    我找不到我三件套的背心。
    我找不到我三件套的背心。
    wǒ zhǎo bu dào wǒ sān jiàn tào de bèi xīn 。
    • I can't find the waistcoat of my three piece suit.
  2. Mandarin
    他脱了背心。
    他脱了背心。
    tā tuō le bèi xīn 。
    • He took off the wife-beater.
    • He took off his vest.
  3. Mandarin
    背心反了, 要翻一个面。
    背心反了, 要翻一個面。
    bèi xīn fǎn le , yào fān yí gè miàn 。
    • You need to reverse your vest, it's back to front.
    • You need to reverse your vest. It's inside-out!
  4. Mandarin
    你的背心前后反了,得翻过来。
    你的背心前後反了,得翻過來。
    nǐ de bèi xīn qián hòu fǎn le , dé fān guò lái 。
    • You need to reverse your vest, it's back to front.
  5. Mandarin
    你的背心里外反了,来翻出来。
    你的背心裏外反了,來翻出來。
    nǐ de bèi xīn lǐ wài fǎn le , lái fān chū lái 。
    • You need to reverse your vest. It's inside-out!
Examples (粵典–words.hk)
  1. Cantonese
    佢日日著战斗格出街,背心短裙,沟到唔少仔。
    佢日日著戰鬥格出街,背心短裙,溝到唔少仔。
    keoi5 jat6 jat6 zoek3 zin3 dau3 gaak3 ceot1 gaai1, bui3 sam1 dyun2 kwan4, kau1 dou2 m4 siu2 zai2.
    • She hangs out in underwaist and skirt every day, grabbing the eyes of many boys.
  2. Cantonese
    背心底衫
    背心底衫
    • tank top undershirt
  3. Cantonese
    背心褛
    背心褸
    • vest jacket
  4. Cantonese
    针织背心
    針織背心
    • knitted vest
Examples (Wiktionary)
  1. Mandarin
    他的裤子太短,外套和背心又太肥大。
    他的褲子太短,外套和背心又太肥大。
    tā de kù zi tài duǎn , wài tào hé bèi xīn yòu tài féi dà .
    • His trousers were too short and his coat and vest too loose.