大半天 (dà) — more than half a day; a long while

定義

例文

• 我等了大半天，他才来。
  Wǒ děng le dà, tā cái lái.
  I waited for more than half a day before he came.
• 他花了大半天才做完作业。
  Tā huā le dà cái zuò wán zuò yè.
  He spent a long while finishing his homework.
• 我们聊了大半天，从下午聊到晚上。
  Wǒ men liáo le dà, cóng xià wǔ liáo dào wǎn shàng.
  We chatted for more than half a day, from afternoon till evening.