off the beam   (TTS發音)

1. （of an airplane） not in the radio beam that marks the path to follow between airports（飛機）脫離航向

    The pilot received a warning that his plane was flying off the beam. 飛行員接到了他的飛機偏離了航向的警告。

2. wrong； mistaken錯誤的

    I've come to realize what I said at the meeting was off the beam. 我已經認識到我在會上所講的話是錯誤的。

    Jim was off the beam when he said that the girls didn't like him. 傑姆說那些女孩都不喜歡他，他是錯了。