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Jyutping tong4 bei3 dong1 geoi1
Pinyin táng bì dāng chē

Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

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Jyutping tong4 bei3 dong1 ce1
Pinyin táng bì dāng chē

Definitions (Wiktionary)
  1. phrase, figuratively, idiomatic
    to overrate oneself and attempt something impossible
    (syn.) 自不量力, 夸父逐日

螳臂當車 [--当车]

Jyutping
Pinyin táng bì dāng chē

Definitions (CC-CEDICT)
  1. lit. a mantis trying to stop a chariot (idiom)
  2. fig. to overrate oneself and attempt sth impossible
  3. also written 螳臂擋車|螳臂挡车[tang2 bi4 dang3 che1]