lóng​tóu​shé​wěi

a strong start but weak finish

Senses

龙头蛇尾/ 龍頭蛇尾 lóng​tóu​shé​wěi a strong start but weak finish

literally "dragon's head, snake's tail"; describes a situation where something starts with great energy or display but ends weakly or fades to nothing.

References

see 龙头蛇尾/龍頭蛇尾 虎头蛇尾/虎頭蛇尾