Unstability
[计] 不稳定性
🗣️ 情景例句
We talked about that earlier.
我们先前谈过这个问题。
Teach your grandmother to suck eggs.
班门弄斧。
He could hear their crying, also children's voices.
他可以听到妇女们的哭声，还有孩子们的声音。