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Jyutping bei2 sam1
Pinyin bǐ xīn

Definitions (Wiktionary)
  1. verb, neologism, slang
    to form a finger heart (gesture in which a person forms a heart shape using their fingers)

比心 [--]

Jyutping
Pinyin bǐ xīn

Definitions (CC-CEDICT)
  1. (Internet slang) to form a hand heart using one's thumb and forefinger (or by using both hands)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    攀比心理会让人产生负面情绪。
    攀比心理會讓人產生負面情緒。
    pān bǐ xīn lǐ huì ràng rén chǎn shēng fù miàn qíng xù 。
    • Having a competitive mentality can give rise to negative emotions.