去 spice something up 的意思就是放更多香料在食物或飲料裏使其更有滋味。另外你也可以 spice up 一段講話、一個表演或活動：在這裏就不是放調料了，而是在其中加入更有趣味，引人入勝的內容。
This salad was a bit boring so I spiced it up with some chilli sauce.
Martin's speech was really dull. He should have spiced it up with some jokes!
如果某人被形容為 as salt and pepper, 就是說他原來深色的頭髮已經開始摻雜白髮了。
Mark used to have lovely black hair but now he's salt and pepper. But you know what, I like it!