一定 yídìng
must / certainly / definitely
一定 (yídìng) means "must / certainly / definitely" in Chinese and is one of the highest-frequency words in the Speak1000 curriculum.
Words used with 一定
北京烤鸭
Běijīng kǎoyā
Beijing Roast Duck
经验
jīngyàn
experience
急事
jíshì
urgent matter
Frequently asked questions
What does 一定 (yídìng) mean in Chinese?
一定 (yídìng) means "must / certainly / definitely" in Chinese. 一定 (yídìng) means "must / certainly / definitely" in Chinese and is one of the highest-frequency words in the Speak1000 curriculum.
How do you use 一定 in a sentence?
Use 一定 (yídìng) the way you would use "must / certainly / definitely" in English, then build longer sentences by adding words you already know around it.
What is the difference between 一定 (yídìng) and 觉得 (juéde)?
Both are high-frequency Chinese words taught early in Speak1000. 一定 means "must / certainly / definitely"; 觉得 means "feel / think". The fastest way to tell them apart is to hear each one used in real sentences — our free lessons drill every word in context so the contrast becomes natural.
Related Chinese concepts
Why this concept matters
One concept should unlock a network, not one translation
Speak1000 teaches 一定 as part of a cumulative sentence network. You connect it to concepts you already know, hear the combinations in context, and retrieve them in new situations.
See the Concept Unlock MethodHear 一定 used in real sentences
The fastest way to remember 一定 (yídìng) is to hear it used naturally. Start free and practice with audio from day one.
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