微不足道的英语

1.notworthmentioning;oftriflingimportance2.trivial;small;negligible

很地道的用法： not a big deal书面的话：insignificant更好一点嘿

Although it's not worth mentioning, but also...

微不足道 [wēi bù zú dào] [词典] not worth mentioning; beneath discussion [mention]; be not worthy of mention; cut no figure; [电影] Big Nothing; [例句]这听上去也许微不足道，但是，相信我，它十分重要！This may sound trivial, but I assure you it is quite important!