/aʊns/
~ of sth informal (used especially with negatives 尤与否定词连用) a very small quantity of sth 少许；少量；一点点；丝毫
There’s not an ounce of truth in her story.
a very small amount:
She can eat as much as she wants and she never puts on an ounce (= her weight does not increase).
If he has an ounce of common sense, he’ll realize that this project is bound to fail.
If only my father had possessed an ounce of business sense…
要是我父亲有一点点经商的头脑就好了。
I spent every ounce of energy trying to hide.
我费尽力气想藏起来。
[C] (abbreviation oz) a unit for measuring weight, 1/16 of a pound, equal to 28.35 grams 盎司（重量单位，¹⁄₁₆ 磅，等于 28.35 克） see also fluid ounce