"against the grain" in Chinese (Simplified)
违背常理违背主流
Definition
用不同于常规或期待的方式做事，或做与本性/常规相反的事。
Usage Notes (Chinese (Simplified))
常比喻对抗惯例、社会规范或主流看法。也可字面用于木材、毛发等（逆向摩擦），但比喻用法更常见。相关表达：'go against the grain of society'（违背社会主流）。
Examples
He has always acted against the grain.
他一直都是**违背常理**行事。
Cutting wood against the grain makes it rough.
逆着木纹锯木头会很粗糙。
Her opinions often go against the grain.
她的观点常常**违背主流**。
Speaking up at the meeting felt against the grain, but I had to do it.
在会议上发言让我觉得很**违背常理**，但我不得不说。
Wearing bright colors goes against the grain in this conservative office.
在这个保守的办公室穿鲜艳的衣服很**违背主流**。
It goes against the grain for him to follow rules blindly.
对他来说，盲目遵守规则很**违背本性**。