Something that shows potential but fails quickly
显示潜力但很快失败的事物 (xianshi qianli dan hen kuai shibai de shiwu)
"His first success was just a flash in the pan."
"他的第一次成功只是昙花一现。" (ta de diyici chenggong zhishi tanhua yixian)
to reduce the level or amount of something
to wait to get exactly what you want
to settle and become established somewhere
Don’t become discouraged.
to help someone with a task
at the very last moment