buoy

1. N-COUNT A buoy is a floating object that is used to show ships and boats where they can go and to warn them of danger. 浮标

2. V-T If someone in a difficult situation is buoyed by something, it makes them feel more cheerful and optimistic. 使振奋

In May they danced in the streets, buoyed by their victory. 5月他们在街上跳舞，为胜利而振奋。

3. PHRASAL VERB Buoy up means the same as . 使振奋

They are buoyed up by a sense of hope. 一线希望使他们振作起来。