名詞 zest:

1. vigorous and enthusiastic enjoyment
   同義詞：gusto, relish, zestfulness
2. a tart spicy quality
   同義詞：nip, piquance, piquancy, piquantness, tang, tanginess

動詞 zest:

1. add herbs or spices to
   同義詞：spice, spice up

1. Humor gave zest to his speech.
   幽默使他的演說妙趣橫生。
2. He entered into our plans withterrific zest.
   他滿腔熱情地參加了我們的項目。
3. Her zest for life is as great as ever.
   她對生活的極大樂趣一如既往。
4. The element of risk gave (an) added zest to the adventure.
   這種冒險成分更給探險活動平添幾分樂趣。

zest

n.（名詞）

Flavor or interest; piquancy.
興趣：愛好或興趣；刺激
The outermost part of the rind of an orange or a lemon, used as flavoring.
橙皮：用作調(diào)味香料的柳橙皮或檸檬皮的最外層部分
Spirited enjoyment; gusto:
熱情：精力充沛；熱忱：
例句：
.At 53 he retains all the heady zest of adolescence.(Kenneth Tynan)
.五十三歲的他仍保持著青年時強烈的熱情.(肯尼思·泰南)

v.tr.（及物動詞）
zest.ed,zest.ing,zests
To give zest, charm, or spirit to.
給…添趣：給……助興，帶來…魅力或賦予…活力

來源：
Obsolete French [orange or lemon peel]
已廢法語 [柳橙或檸檬的皮]

【引伸】
zest.ful
adj.（形容詞）
zest.fully
adv.（副詞）
zest.fulness
n.（名詞）
<參考詞匯><同義詞>zest,gusto,relishThe central meaning shared by these nouns is .keen, hearty pleasure or appreciation.:
這些名詞共有的主要意思是.強烈的、濃厚的興趣或愛好.：
例句：
ate with zest;
津津有味地吃；

例句：
telling a joke with gusto;
興致勃勃地講笑話；

例句：
has no relish for repetitive work.
不喜歡重復性的工作