the slow and subtle changes that take place in all living things.

所有生物中发生的缓慢而不易察觉的变化。

Intolerance can take subtler forms too.

不宽容也可能以微妙的形式表现。

There is a subtle distinction between a withdrawal and a retreat.

撤回和撤退之间的差别很微妙。

I even began to exploit him in subtle ways.

我甚至开始不露声色地利用他。

subtle shades of brown.

淡棕色。

delightfully subtle scents.

令人愉悦的淡淡香气。