第一件事

第一 diˋ yiˉ

(First, Number one) Number one, First, The first

一件 yiˊ jianˋ

(A, An, One) A, An, One (e.g. a piece of clothing), A (e.g. a matter of business)

一件事 yiˊ jianˋ shiˋ

(Matter) A matter

件事 jianˋ shiˋ

(Business, Matter(s)) Business, Matter(s)