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Jyutping zeoi6 zing1 wui6 san4
Pinyin jù jīng huì shén

Definitions (CC-CEDICT)
  1. to concentrate one's attention (idiom)
Definitions (粵典–words.hk)
  1. 動詞
    集中​精神​,​專心​一意
    to be very attentive; to concentrate one's attention
Definitions (Wiktionary)
  1. phrase, idiomatic
    to maintain one's concentration; to stay focused; to be attentive or absorbed
    (syn.) 全神贯注, 全神貫注
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #2299
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    大家都在聚精会神地听著。
    大家都在聚精會神地聽著。
    dà jiā dōu zài jù jīng huì shén dì tīng zhù 。
    • Everyone was listening very carefully.
    • Everyone listened attentively.
  2. Mandarin
    塔罗聚精会神地背英语单词。
    塔羅聚精會神地背英語單詞。
    tǎ luó jù jīng huì shén dì bèi yīng yǔ dān cí 。
    • Taro concentrated on memorizing English words.
Examples (粵典–words.hk)
  1. Cantonese
    聚精会神
    聚精會神
    zeoi6 zing1 wui6 san4
    • to concentrate
    • to concentrate one's attention; be all attention