discretion
柯林斯词典
1. N-UNCOUNT Discretion is the quality of behaving in a quiet and controlled way without drawing attention to yourself or giving away personal or private information. 审慎[正式]
Larsson sometimes joined in the fun, but with more discretion. 拉森有时也会跟着玩闹，但多带几分审慎。
2. N-UNCOUNT If someone in a position of authority uses their discretion or has the discretion to do something in a particular situation, they have the freedom and authority to decide what to do. 酌情决定权[正式]
This committee may want to exercise its discretion to look into those charges. 这个委员会可能想行使其酌情决定权来调查那些指控。
3. PHRASE If something happens at someone's discretion, it can happen only if they decide to do it or give their permission. 由 (某人) 斟酌决定[正式]
We may vary the limit at our discretion and will notify you of any change. 我们可酌情决定更改限制，并会将任何变更通知你。
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discretion /dɪˈskrɛʃən/
剑桥词典
discretion noun [U] (CAREFUL BEHAVIOUR)
the ability to behave without causing embarrassment or attracting too much attention , especially by keeping information secret慎重，谨慎；守口如瓶
"Can you trust him with this?" "Yes, he's the soul of discretion (= he will not tell other people )." “在这件事上你能相信他吗？”“当然，他可是个守口如瓶的人。”
discretion noun [U] (RIGHT TO CHOOSE)
formalthe right or ability to decide something
决定权；决策力
Students can be expelled at the discretion of the principal (= if the principal decides it). 校长有权开除学生。
I leave the decision to your discretion (= for you to decide ). 我让你来决定这件事。