undermine
verb
ˌʌndəˈmaɪn
verb
1
to
gradually
make
someone
or
something
less
strong
or
effective
逐渐削弱 （损害 ）
economic
policies
that
threaten
to
undermine
the
health
care
system
可能会损害医疗保健制度的经济政策
undermine
sb’s
confidence/authority/position/credibility
etc
The
constant
criticism
was
beginning
to
undermine
her
confidence.
不断的批评开始削弱她的信心了。