adj.缺乏特征的，平凡的，不出众的

a characterless place → 无特色的地方
characterless detail → 无人物证明书的

1.It's just one of those characterless modern cities.
[汉]这只是那些无特色的现代都市其中之一。
2.It's a perfect but characterless face.
[汉]这是一张完美但毫无个性的脸。

【Adjective】

1. lacking distinct or individual characteristics; dull and uninteresting;
"women dressed in nondescript clothes"
"a nondescript novel"