虎头蛇尾
(hǔ tóu shé wěi)
有头无尾
(yǒu tóu wú wěi)
善始善终
(shàn shǐ shàn zhōng)
有始无终
(yǒu shǐ wú zhōng)
有始有终
(yǒu shǐ yǒu zhōng)