yī一dìng定(Mandarin)(Cantonese)
Dictionary
surely; certainly; definitely/fixed; settled/a certain ...; a given ...
Examples
你一定要来参加我的生日派对。
Nǐ yīdìng yào lái cānjiā wǒ de shēngrì pàiduì.
→ You must come to my birthday party.
我们的会议时间已经定好了，是确定的。
Wǒmen de huìyì shíjiān yǐjīng dìnghǎo le, shì yīdìng de.
→ Our meeting time has been set; it's fixed.
在一定条件下，这个方案是可行的。
Zài yīdìng tiáojiàn xià, zhège fāng'àn shì kěxíng de.
→ Under certain conditions, this plan is feasible.
他一定会按时完成作业的。
Tā yīdìng huì ànshí wánchéng zuòyè de.
→ He will surely finish his homework on time.
这本书在一定程度上有助于提高你的中文水平。
Zhè běn shū zài yīdìng chéngdù shàng yǒuzhù yú tígāo nǐ de Zhōngwén shuǐpíng.
→ This book can help improve your Chinese to a certain extent.
Did You Know?
Word Formation
一 means 'one' and 定 means 'fixed/settled'.
Usage Tips
一定 as an adverb means 'definitely' and goes before the verb: 我一定来 (I will definitely come).