Unprovable
a. 无法证明的, 无法证实的
✅ 同义词
🗣️ 情景例句
to buy a new house.
来买一栋新房子。
It was eleven o'clock when he finally showed up.
他最后露面时，已经11点钟了。
You'd better let her alone.
你们最好是让她一个人呆会儿。