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Jyutping fai3 san4
Pinyin fèi shén

Definitions (CC-CEDICT)
  1. to spend effort
  2. to take trouble
  3. May I trouble you to...? (as part of polite request)
  4. Please would you mind...?
Definitions (粵典–words.hk)
  1. 動詞、形容詞
    消耗​大量​精力
    energy-consuming
    • 編字典係件好晒精神嘅工作。
      编字典系件好晒精神嘅工作。
      編字典是很費神的工作。
Definitions (Wiktionary)
  1. verb
    to spend effort; to take trouble; to exert great mental effort
  2. verb, honorific, polite
    to be troubled (in sentences such as “May I please trouble you to ...?” or “Thank you for taking the trouble to ... .”)
  3. intj, Min-Nan
    thank you
    (syn.) 道謝, 謝謝儂, 㩼謝, 有勞, 感恩, 恁仔細, 勞瀝, 費神, † - when someone does you a favour; § - when someone gives you a gift, 謝謝你, 唔該, 承蒙你, 感謝, 恁仔細 §, 起動, рахмат, 承蒙, 交關感謝, 謝謝, 多謝 §, 阿里加多, 恁勞瀝, 多謝, 勞力, 無該, 唔該 †
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)