How to Say ‘Everyone must be very happy.’ in Simplified Chinese
大家一定很开心。
dà jiā yí dìng hěn kāi xīn
[dah jya ee ding hun kai shin]
💬 Usage Tip: With adjectives like [开心], [很] often just makes the sentence sound complete and doesn't strongly mean "very." You can reuse this pattern with other adjectives too: [大家一定很忙] or [他很累] without needing [是].
Phrase Breakdown
大家
dà jiā
[dah jya]
everyone; everybody
Refers to all the people in a group, such as the whole family.
过年时大家都在，气氛特别热闹。
During the New Year, everyone was there, and the atmosphere was especially lively.
一定
yí dìng
[ee ding]
certainly; definitely; surely
Shows strong certainty about a future result or feeling.
他们听到这个消息，一定很安心。
When they hear this news, they will definitely feel relieved.
很开心
hěn kāi xīn
very happy; very glad
Describes a very happy feeling.
我今天很开心。
I'm very happy today.
Words in this phrase
很
hěn
[hun]
very
Used before adjectives like 开心 to form a natural descriptive phrase.
你公公最近身体很好，大家很放心。
Your father-in-law's health has been very good recently, so everyone feels relieved.
开心
kāi xīn
[kai shin]
happy; cheerful
Describes a positive emotional state, especially after hearing good family updates.
一家人一起吃饭的时候，老人最开心。
When the whole family eats together, the elders are the happiest.
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