Misfortune depends on happiness, and happiness lies in misfortune. It is an idiom in China, which means that happiness and misfortune are interdependent and mutually transformed. Metaphor means that bad things can have good results, and good things can also have bad results. It is suggested that people should be modest and cautious when they are rich, and guard against arrogance and rashness; Full of ambition and arrogance, it breeds disaster, from blessing to disaster; Persistence and hard work in adversity can turn adversity into prosperity, from bitterness to sweetness.

As long as you work hard, iron bars can be ground into needles.

Pestle: A stick used to strike rice or clothes. Proverbs refer to how difficult things can be accomplished successfully as long as you are determined and willing to work hard. Li Bai, a famous poet in Tang Dynasty, never studied hard when he was a child. He often throws away his books and goes out to play. One day, Li Bai met a white-haired old woman who was grinding a big iron bar on a stone. She was curious and asked what she was doing. The old woman told him to grind it into an embroidery needle. Li Bai was deeply moved, studied hard and finally became a writer.

A blessing in disguise is a blessing in disguise.

Metaphor can benefit from it, although it suffers for a while. It also means that bad things can be turned into good things under certain conditions, and vice versa. To describe people's mentality, we must be optimistic. Everything has two sides, the bad side, and it is also possible to change to the good side. The seventh time in the Garden in the Mirror: "It's a pity that Chu Shi's ambition failed, but a blessing in disguise is a blessing in disguise." Lu Xun's "Shout for the True Story of Ah Q": "But it's really called' a blessing in disguise'. Ah Q unfortunately won once, but almost failed. "