Chinese Dictionary

Usage of the character 汰

to discard
to eliminate

to cut back

elimination of the weakest

(dialect) dirty
to mock sb

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

to wash away
to eradicate

to eliminate by examination

a knockout competition

tàijiùhuànxīn

out with the old and in with the new (idiom)

yōushèngliètài

survival of the fittest (idiom)

mòwèitáotài

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