平凡的英文：
commonplace
prosiness
prosaism
trivialness
triteness
prose
unremarkable
truistic
trivialism
commonness
banality
trivialize
triviality
tameness
ordinary

Relatively speaking it is a little prosaic.
相对说来，那有一点平凡。

Matter of fact; in fact
事实的;事物性的;平淡无味的;讲实际的;平凡的

Chocolate Show Travels Far Beyond caramel, Nuts(2002/11/20)
巧克力秀超越平凡美味诱惑演绎传奇(2002/11/20)

Instead of the sublime and beautiful, the near, the low, the common, was explored and poetized
人们着意发掘并谱写成诗章的，不是崇高优美的阳春白雪，而是发生在身旁，卑微而平凡的事物。

She longed for a mundane life she often saw down beneath her.
其中最小的一位厌倦了天庭中优越但是与世隔绝的生活，她常常从空中偷看人间，非常向往人间平凡的生活。

A quite extraordinary experience
极不平凡的经历

It is interesting to note, too, that maternal love is not only both unique and universal but also paradoxical.
更有趣的，母爱又独特又平凡，全然似非而是。

Life is a vulgar flare amid the cool radiance.
生命只是惨淡的星光里的平凡的一闪。

He achieved extraordinary successes at an ordinary post.
他在平凡的工作岗位上作出了突出的成绩。

characterless adj.
无特征的；平凡的；无人物证明书的

Jet travel is now a commonplace.
乘喷气式飞机旅行现在是寻常的事。

It's a mere commonplace thing.
那是件极平常的事。

Earthquakes will have become almost commonplace by this time.
地震在这时候已经变成司空见惯的事。