Unprovable
a. 无法证明的, 无法证实的
✅ 同义词
🗣️ 情景例句
Just got back. It's good to see you both again.
刚刚回来。真幸运再次见到你们二位。
I have no idea.
我不知道。
I don't think anyone knows about this. I said.
“我想没人知道这一情况，”我说。