I'm usually dark brown, but I also can be black, gray or shades of red.

我通常是深棕色的，但也可能是黑色、灰色或暗红色。

youdao

Water, usually dark blue in this type of image, is silvery white from reflected sunlight.

水在图中通常呈暗蓝色，只有在有阳光反射的部分显示为银白色。

youdao

Sweet usually dark purple blackberry-like fruit of any of several mulberry trees of the genus'.

甜的、深紫色的、像黑莓般的、桑属树的果实。

youdao

It usually first grows in a mole, a small dark area of skin.

VOA: special.2010.07.06

I'm usually out early in the morning when it's still dark now because of the changing in the season.

我通常早上很早就出门，因为季节变换，那时天还是黑的。

中央公园的时光 - SpeakingMax英语口语达人

Among his requirements: always automatic transmissions, usually dark colors and sometimes fancy wheels and technology.

WSJ: The Rise of the Rent-a-Porsche

Among the next generation is George Clooney, whose suits are usually dark in color and devoid of ostentation.

FORBES: Bespoke

Shopwindows usually bright were dark, and it occurred to him that, of course, people had been flushed onto the sidewalk by the outage.

NEWYORKER: Outage