discr イディオム

---

discretion is the better part of valor

"be sensible when you are brave; be courageous but not reckless" In all your battles, be brave but not foolish. Discretion is the better part of valor.

---

discriminate against

treat unfairly， as less important or worthy歧视
It is unjust and unlawful to discriminate against people of other races．歧视别的种族是不公正的，不合法的。
Laws do not discriminate against anyone．法律面前人人平等。
You have no right to discriminate against him．你没有权利歧视他。

---

discriminate from

tell from； distinguish把…同…区分开来；辨别；区分
Some children can't discriminate good books from bad ones．一些孩子不能辨别好书和坏书。

---

Discretion is the better part of valour

It is useless to take unnecessary risks.

---

discretion is the better part of valor|discretion|

literary When you are in danger or trouble, good sense helps more than foolish risks; it is better to be careful than to be foolishly brave. A proverb. When you are facing a man with a knife, discretion is the better part of valor.

---

throw caution to the winds|caution|discretion|thro

v. phr. To be daring; make a bold or risky move. Hearing that Apaches were planning to start a war, the whites decided to throw caution to the winds and attack the Apaches first.

---

discretion

discretion
In addition to the idiom beginning with discretion, also see throw caution to the winds.