一馬當先 [－马当－]

Jyutping jat1 maa5 dong1 sin1
Pinyin yī mǎ dāng xiān

Definitions (CC-CEDICT)
  1. to take the lead
Definitions (粵典–words.hk)
  1. 副詞
    最快​；​第一​個
    (lit.) to gallop at the leading position; (fig.) to take the lead; to be in the forefront
    • 呢間公司一馬當先推出咗智能手錶。
      呢间公司一马当先推出咗智能手表。
      The company takes the lead to introduce the first smart watch.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to gallop at the head; to take the lead; to be in the foremost rank
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    呢间公司一马当先推出咗智能手表。
    呢間公司一馬當先推出咗智能手錶。
    • The company takes the lead to introduce the first smart watch.