便 [--]

Jyutping pin4 ji4
Pinyin pián yí

Definitions (Wiktionary)
  1. adj
    cheap; inexpensive
    (syn.) 𠼢, 鬆, 相因, 偏, 低廉, 抵得, 平枯, 便, 賤, 平宜, 巧, 划廉, 便宜, 俗, 低賤, 平
  2. verb
    to let somebody off lightly
  3. noun
    advantage (usually unfairly gained); opportunity
Definitions (HSK3.0)
  1. HSK3 二级词汇表 #414

便 [--]

Jyutping pin4 ji2
Pinyin biàn yí

Definitions (粵典–words.hk)
  1. 名詞
    利益​,​通常​有​貶義
    advantage; usually has negative connotations, eg. related to greed, exploitation, etc.
    • 便宜莫貪
      便宜莫贪
      pin4 ji4 mok6 taam1
      not to go for small advantages
    • 佔便宜
      占便宜
      zim3 pin4 ji2
      to gain advantage by unfair means
    • 你唔好貪小便宜啦。
      你唔好贪小便宜啦。
      nei5 m4 hou2 taam1 siu2 pin4 ji2 laa1.
      You should not enjoy getting small advantages.

便 [--]

Jyutping pin4 ji4
Pinyin pián yi

Definitions (CC-CEDICT)
  1. cheap
  2. inexpensive
  3. small advantages
  4. to let sb off lightly
Definitions (Wiktionary)
  1. adj
    cheap; inexpensive
    (syn.) 𠼢, 鬆, 相因, 偏, 低廉, 抵得, 平枯, 便, 賤, 平宜, 巧, 划廉, 便宜, 俗, 低賤, 平
  2. verb
    to let somebody off lightly

便 [--]

Jyutping pin4 ji4
Pinyin biàn yí

Definitions (CC-CEDICT)
  1. convenient
Definitions (CC-CANTO)
  1. cheap; inexpensive/petty gain
Definitions (粵典–words.hk)
  1. 名詞
    利益​,​通常​有​貶義
    advantage; usually has negative connotations, eg. related to greed, exploitation, etc.
    • 便宜莫貪
      便宜莫贪
      pin4 ji4 mok6 taam1
      not to go for small advantages
    • 佔便宜
      占便宜
      zim3 pin4 ji2
      to gain advantage by unfair means
    • 你唔好貪小便宜啦。
      你唔好贪小便宜啦。
      nei5 m4 hou2 taam1 siu2 pin4 ji2 laa1.
      You should not enjoy getting small advantages.
  2. 形容詞、書面語
    價格​低廉
    cheap; inexpensive
    • 呢間舖啲貨全部都好平。
      呢间舖啲货全部都好平。
      ni1 gaan1 pou3 di1 fo3 cyun4 bou6 dou1 hou2 peng4.
      這家店的貨物全部都很便宜。
  3. 近義詞
Definitions (Wiktionary)
  1. adj
    convenient; handy
    (syn.) 顺手, 便当, 利便, 便利, 便易, 簡便, 便民, 順手, 方便, 快便, 简便, 便當, 就手, 省事
  2. adj
    appropriate and convenient; to be best
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    这条连衣裙很便宜。
    這條連衣裙很便宜。
    zhè tiáo lián yī qún hěn biàn yí 。
    • This dress is a good bargain.
  2. Mandarin
    似乎很便宜。
    似乎很便宜。
    sì hū hěn biàn yí 。
    • It seemed to be cheap.
    • It looked cheap.
    • It looks cheap.
    • It seemed so cheap.
  3. Mandarin
    这件套衫不贵,它很便宜。
    這件套衫不貴,它很便宜。
    zhè jiàn tào shān bù guì , tā hěn biàn yí 。
    • This jacket isn't expensive, it's very cheap.
    • This sweater isn't expensive. It's really cheap.
    • This jumper doesn't cost much. It's very cheap.
  4. Mandarin
    我发现一个地方能买到便宜的水果。
    我發現一個地方能買到便宜的水果。
    wǒ fā xiàn yí gè dì fāng néng mǎi dào biàn yí de shuǐ guǒ 。
    • I've found a place to buy cheaper fruits.
  5. Mandarin
    我想要更便宜点的双人间。
    我想要更便宜點的雙人間。
    wǒ xiǎng yào gèng biàn yí diǎn de shuāng rén jiān 。
    • I would like a less expensive double room.
Examples (粵典–words.hk)
  1. Cantonese
    便宜莫贪
    便宜莫貪
    pin4 ji4 mok6 taam1
    • not to go for small advantages
  2. Cantonese
    占便宜
    佔便宜
    zim3 pin4 ji2
    • to gain advantage by unfair means
  3. Cantonese
    你唔好贪小便宜啦。
    你唔好貪小便宜啦。
    nei5 m4 hou2 taam1 siu2 pin4 ji2 laa1.
    • You should not enjoy getting small advantages.
  4. Cantonese
    呢个人净系识占便宜,冇啲贡献。
    呢個人淨係識佔便宜,冇啲貢獻。
    ni1 go3 jan4 zing6 hai6 sik1 zim3 pin4 ji4, mou5 di1 gung3 hin3
    • This fellow only profits at others' expense and doesn't make any contribution.
  5. Cantonese
    呢个人专喺巴士度占便宜,拉咗佢就啱嚹。
    呢個人專喺巴士度佔便宜,拉咗佢就啱嚹。
    ni1 go3 jan4 zyun1 hai2 baa1 si2 dou6 zim3 pin4 ji2, laai1 zo2 keoi5 zau6 ngaam1 saai3
    • This man often sexually assaults women on the bus, it's really great to have him arrested.
Examples (Wiktionary)
  1. Mandarin
    铜也是一种可以考虑的材质(图86),比较容易取得,价格也比较便宜,加工比较容易,因为够软,而且铜虽然较软,可是在磨擦加热的时候会产生韧性,用铝做为材质,既轻又硬,然相对的就脆,当材质脆的时候,磨损就会变成粉末,会有很多屑,铜就不会。
    銅也是一種可以考慮的材質(圖86),比較容易取得,價格也比較便宜,加工比較容易,因為夠軟,而且銅雖然較軟,可是在磨擦加熱的時候會產生韌性,用鋁做爲材質,既輕又硬,然相對的就脆,當材質脆的時候,磨損就會變成粉末,會有很多屑,銅就不會。
    tóng yě shì yī zhǒng kě yǐ kǎo lǜ de cái zhì ( tú 8 6 ) , bǐ jiào róng yì qǔ dé , jià gé yě bǐ jiào pián yí , jiā gōng bǐ jiào róng yì , yīn wèi gòu ruǎn , ér qiě tóng suī rán jiào ruǎn , kě shì zài mó cā jiā rè de shí hòu huì chǎn shēng rèn xìng , yòng lǚ zuò wéi cái zhì , jì qīng yòu yìng , rán xiàng duì de jiù cuì , dāng cái zhì cuì de shí hòu , mó sǔn jiù huì biàn chéng fěn mò , huì yǒu hěn duō xiè , tóng jiù bù huì .
    • X
  2. Mandarin
    贪便宜
    貪便宜
    tān biàn yí
    • to be anxious to get things on the cheap