fail
动词 fail:
fail to do something; leave something undone
同义词:neglect
be unsuccessful
disappoint, prove undependable to; abandon, forsake
同义词:betray
stop operating or functioning
同义词:go bad, give way, die, give out, conk out, go, break, break down
be unable
judge unacceptable
fail to get a passing grade
fall short in what is expected
become bankrupt or insolvent; fail financially and close
prove insufficient
get worse