我大惑不解
I was completely puzzled
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他们拒绝接受邀请使我大惑不解。
It beats me that they turned down the invitation.
youdao
他们是如何搞清楚正是你使我大惑不解？
How they recognized you is what puzzles me?
我大惑不解，就是不明白他是怎么做到的。
I'm mystified; I just can't see how he did it.
应用推荐
模块上移
模块下移
不移动