• bring-down失势
• The news of the airplane crash was a bring-down.
• MEANING: depressing
• buck美元
• Do you have a buck I can borrow?
• MEANING: dollar
• bummed不高兴的
• I was really bummed after I heard the news.
• MEANING: depressed
• bummer令人恶心的经历
• My trip to New York was a bummer.
• MEANING: bad experience
• bust失败的事
• The whole idea was a bust.
• MEANING: failure