proving ground 测试场
proving oneself 证明自己
proving ground 试验场
A: Is he proving to be a good leader?
A：他表现得像个好领导吗？
B: Yes, his actions are proving his capability.
B：是的，他的行动正在证明他的能力。
1) 证明、证实
2) 表现出、显现出
3) 验证
1. 证明，证实
present participle
1. The act of demonstrating the truth or existence of something through evidence.
Synonym: demonstrating, confirming, verifying