incidentally

英 [ˌɪnsɪˈdent(ə)li] 美 [ˌɪnsɪˈdent(ə)li]

adv. 順便説一句；偶然地；附帶地，伴隨地 ^[1] 

incidentally ad 順便説及地 ; 附帶地 ; 順便提及

Capacity to learn incidentally 偶學偶得的能力

incidentally mention 順便提及

Shopping incidentally 順便逛逛

How can you say incidentally 順便你怎麼説

And incidentally visited me home 順便拜訪我家

to see incidentally 偶見

Not Altogether Incidentally 並非偶然

permit incidentally 偶然允許 ^[1] 

1、Incidentally, have you heard the news about Sue? 順便問一句，你聽説過休的事了嗎？

2、The information was only discovered incidentally. 這個信息只是偶然得到的。

3、"I didn't ask you to come. Incidentally, why have you come?" “我沒有叫你來。順便問一下，你為什麼來呢？” ^[1]