fizzle

fizzle
/ˈfɪzl; `fɪzl/ v
1 [I] make a weak fizzing sound 发出微弱的嘶嘶声.
2 (phr v) fizzle out end or fail in a weak or disappointing way 虎头蛇尾般结束或失败
    After a promising start, the project soon fizzled out. 这项计画开始时很有希望, 但不久就失败了.

牛津英汉双解词典