缘由

reason, cause

noun Rare #30,877

reason, cause Somewhat formal; often used in the phrase 其中的缘由, “the reason behind it.”

CH: 你知道他离开的缘由吗？

EN: Do you know the reason he left?

我不喜欢骑马；我的屁股正提醒我其中的缘由。

I don’t like horseback riding; my butt is reminding me why.

你明白其中缘由吗？

Do you understand the reason behind it?

— 英国病人 (1996)

我常常思索其中的缘由

I often ponder the reasons behind it.

— 这个男人来自地球 (2007)

我把缘由说了一遍。

I explained the reason.