A
in +服装/帽子/鞋子/眼镜（穿/戴着.）
He was a big man,smartly dressed in a suit and tie.
他身材高大,穿着西服打着领带,非常帅气.
in+颜色（穿着.颜色的服装）
three women in black.
3 个黑衣女子