The painter vividly portrayed the old man's wrinkles in this portrait.

portrayed 是动词 portray 的过去式。portray 由前缀 por-（表示"向前"）和 tray（古法语词根，意为"画"）组成，本义是"描绘、刻画"，特指用绘画或文字生动地表现人物特征。