Backsliding
v. 倒退；滑坡；故态复萌（backslide的现在分词）
✅ 同义词
📖 牛津释义
backsliding
n [U].
🗣️ 情景例句
Not to worry.
别担心。
I don't know where I am!
我不知道我身在何处！
I simply don't know. He may have plans, but he hasn't yet spoken to me about them.
我一点儿都不知道。他也许有计划，但他还没跟我谈他的想法呢。