一定

例句

• wǒ我yí一dìng定lái来 。

  I will definitely come.

• tiān天qì气zhè这me么lěng冷 ，nǐ你yí一dìng定yào要duō多chuān穿yī衣fu服 。

  It is so cold; you must wear more clothes.

用法