at sixes and sevens 困惑的；混乱的；杂乱无章的

【例句】
The two were at sixes and sevens over how to handle the problem.
这两人在处理这个问题上乱无章法。

Things happened so fast that Mary was at sixes and sevens.
事情发生得如此快，以致玛丽心绪烦乱。