jat1 jyu1一於

Jyutpingjat1 jyu1

Yaleyāt yū

副詞Common

Definition

Expresses that a decision has been made; definitely, simply, or just.

colloquialdaily actions

How it's used

Signals a firm resolution or a final decision to proceed with a specific action. It often carries a sense of finality or a 'might as well' attitude, suggesting that the speaker has weighed their options and settled on a definitive path. It is frequently used to propose a joint plan or to justify a personal choice after some deliberation.

Examples

ngo5我dei6哋jat1一jyu1於gam1今maan5晚heoi3去sik6食fo2火wo1鍋laa1啦！

Let's definitely go eat hotpot tonight!

gei3既jin4然keoi5佢m4唔hang2肯dou6道hip3歉，ngo5我jat1一jyu1於m4唔lei5理keoi5佢。

Since he refuses to apologize, I've decided to just ignore him.

Common phrases

jat1一jyu1於gam3咁waa6話

It's a deal; let's do that.

Common mistake

Avoid using this to mean 'one' or 'once' in a numerical sense, as it is strictly an adverbial expression of intent. Learners sometimes confuse it with 一齊, but while 一齊 focuses on the togetherness of an action, 一於 focuses on the determination to carry it out.