No. 1,968 in Japanese
だい
"だい" can mean "title," "topic," "cost," or "stand/base" depending on context.
In a sentence
この部屋はすごく広いんだい。
This room is very spacious!
Here, だい serves as an emphatic sentence-ender, used informally to convey surprise or emphasis.
彼にとってそれは大事なことだい。
To him, that is an important matter.
だい is the stem of a word in this context (大事, 'daiji'), which means 'important'.
新しい自転車を買うだい！
I will buy a new bicycle!
In this example, だい is used colloquially as an ending particle expressing determination or enthusiasm.
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