Discretionary things are not fixed by rules but are decided on by people in authority, who consider each individual case.
例句
Magistrates were given wider discretionary powers...地方法官被赋予了更广泛的自由决定权。Check whether you are entitled to a discretionary grant for your course.确定你是否有权酌情行事。
英汉词典释义
adj.
任意的,无条件的
The judge has the power to make discretionary awards.法官有权自行作出裁决，决定赔偿额。
英英词典释义
Adjective
1. having or using the ability to act or decide according to your own discretion or judgment;
"The commission has discretionary power to award extra funds"
2. (especially of funds) not earmarked; available for use as needed;