discretion
/dɪˈskreʃn; dɪ`skrɛʃən/ n[U]
1 quality of being discreet; good judgement 谨慎; 慎重; 审慎; 明智
to act with discretion 谨慎行事
This is a secret, but I know I can count on your discretion, ie be sure you won't tell anyone. 这可是个秘密, 不过我知道你嘴稳（肯定不会告诉别人）.
2 freedom to decide for oneself what should be done 自行决断的自由
Don't keep asking me what to do; use your own discretion. 不要老是问我该做什麽事, 你自行决定吧.
3 (idm 习语) the age/years of di`scretion maturity; age when one is considered able to judge and decide for oneself 成年; 解事年龄; 责任年龄. at sb's discretion on the basis of sb's judgement 依据某人的见解
A supplementary grant may be awarded at the discretion of the committee. 委员会可能酌情追加一笔补助金. discretion is the ,better part of `valour (saying usu joc 谚, 通常作戏谑语) there is no point in taking unnecessary risks 不知进退非真勇（不必作无谓的冒险）.