末位淘汰

sacking the worst-performing employee / elimination of the worst-performing contestant

tip / end / final stage / latter part / inessential detail / powder / dust / opera role of old man

position / location / place / seat / classifier for people (honorific) / classifier for binary bits (e.g. 十六位 16-bit or 2 bytes) / (physics) potential

to wash / to clean out / to cleanse / to eliminate / to dredge

to wash out / (fig.) to cull / to weed out / to eliminate / to die out / to phase out

to discard / to eliminate