C2 [ I not continuous ] If colours or styles clash, they look ugly or wrong together.

中文解释

（颜色或风格）不协调，不搭配，不和谐 I like red and orange together, though lots of people think they clash. 我喜欢红色和橙色相搭配，尽管许多人认为这两种颜色不协调。