fizzle out phrasal verbphr v informal STOP HAPPENINGto gradually stop happening, especially because people become less interested 〔因越来越不感兴趣而〕渐停,夭折 Their romance just fizzled out. 他们的恋情就这么不了了之。
fizzle out• Their romance fizzled out after a few months.• The movie made a great start, but the action seemed to fizzle out halfway through.
→ fizzle out at fizzle(1)