at sixes and sevens 困惑的；混乱的；杂乱无章的；乱七八糟

【例句】
His room is always at sixes and sevens.
他的房间总是乱七八糟的。

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。