咖啡有一种微妙的苦味，增添了它的浓郁感。

The coffee has a ___subtle bitterness that enhances its richness.

设计师为春季系列选择了一种柔和的淡色调色板。

The designer chose a ___subtle palette of pastel colours for the spring collection.

香水中薰衣草的微妙暗示既优雅又提神。

The ___subtle hint of lavender in the perfume is both elegant and refreshing.