另起爐灶

Simplified: 另起炉灶

lìngqǐlúzào ㄌㄧㄥˋ ㄑㄧˇ ㄌㄨˊ ㄗㄠˋ

    • lit. to set up a separate kitchen (idiom) to start from scratch
    • back to square one
    • to start of on a new path

Character by character

Sources