作废
zuò​fèi HSK6

to become invalid

zuò​fèi to become invalid
  1. 作 zuò verb
    to regard as
    to regard as; to consider to be; to act as; to be
  2. 废 廢 fèi noun
    useless
    (bound form) having lost original function or value; waste; discarded; superfluous

zuò​fèi to nullify
  1. 作 zuò verb
    to do
    to do; to make; to engage in an activity; often interchangeable with 做 zuò in set phrases
  2. 废 廢 fèi adjectiveverb
    to abolish
    to stop using; to abandon; to discard; to abrogate or put an end to something