Chinese translation for "to break the back of sth"

完成中最困难/最大量的工作

Similar Words：

"to break loose" Chinese translation, "to break me, pour me out and start again" Chinese translation, "to break one’s heart" Chinese translation, "to break open the door" Chinese translation, "to break out of a crisis" Chinese translation, "to break the contract" Chinese translation, "to break the ice" Chinese translation, "to break the journey" Chinese translation, "to break the news" Chinese translation, "to break the record in this event" Chinese translation