adj.巧合的
I suppose your presence here today is not entirely coincidental. 我認(rèn)為你今天來(lái)這里不完全是碰巧。
The similarity between these two essay is too great to be coincidental. 這兩篇文章雷同的地方很多，并非巧合所致。
adv.巧合地；同時(shí)發(fā)生地
=coincidently.
