Definition
To determine whether something will be successful or a failure; to have a decisive impact on something.
成敗在此一舉
This product launch is make-or-break for the company's future; it could either make the company a household name or lead to its downfall.
這個產品發布對公司的未來至關重要；它可能讓公司成為家喻戶曉的名字，也可能導致其衰敗。
His upcoming audition is make-or-break for his dream of becoming an actor; it will determine whether he has a career in show business.
他即將到來的試鏡對他成為演員的夢想至關重要；這將決定他是否能在演藝圈發展。
This game is make-or-break for their chances of advancing to the finals; it will determine whether they move on or not.
這場比賽對他們晉級決賽的機會至關重要；這將決定他們是否能繼續前進。