末位淘汰
mò​wèi​táo​tài

bottom-rank elimination

末位淘汰 mò​wèi​táo​tài
bottom-rank elimination
The process of eliminating the contestant or participant with the lowest score or rank in a competition.
performance-based dismissal
The practice of firing or laying off employees who rank at the bottom in performance evaluations.

Sources
Definitions
CC-CEDICT