他說lz把feature弄壞了的時候，不要說他lie，直接說looks like you are not very

Looks like You are not very familiar with our system, but the feature you are talking abt has never existed. we can easily do a code comparison...  這樣讓人覺得他對工作不熟還指手劃腳上躥下跳，又顯得你專業大度。