闯练
chuǎngliàn
闯练 — chuǎngliàn
- to harden or toughen oneself through trial and practical experience; to gain experience and become seasoned
他在军队里闯练了几年,变得沉着冷静。 tā zài jūnduì lǐ chuǎng liàn le jǐnián biàndé chénzhuó lěngjìng — He was toughened by several years in the army and became calm and composed.