on the beam   (TTS發音)

1. （of an airplane） flying in the right direction（飛機）航向正確

    A radio signal tells the pilot of an airplane when he is flying on the beam. 無線電信號向飛行員指明其飛行航向正確。

2. doing well；just right正確的；幹得好

    Dick's answer was right on the beam. 狄克的回答是正確的。

    You are on the beam today. You haven't made a single mistake. 你今天幹得很好，沒有出一點差錯。