疾风知劲草

Explanation: In the fierce winds, only the tough grass that would not be uprooted. Only after a severe test analogy, I know who really strong. 　　Usage: Verb-object type; as subject, adverbial; with compliment 　　Source: "East View of Han Ji Chuan and hegemony": "Yingchuan by key from my death, and the child left alone, before testing of the wind to make the grass." 　　Examples: As the saying goes :"~。" after this period of extraordinary day, people see the road ahead is even more clear, confident and more determined. (Jun Qing "Snow plans") Thesaurus:  Raging flames Gold, Lu yao to know Horse, time reveals a person’ s heart, hardy grass in the storm