erode
verb [ I or T ] uk/ɪˈrəʊd/ us/ɪˈroʊd/
(DAMAGE PHYSICALLY)
C2 侵蚀，腐蚀；磨损
to rub or be rubbed away gradually
Wind and rain have eroded the statues into shapeless lumps of stone. 这些雕像遭受风雨侵蚀，成了一堆堆不成形的乱石。
The cliffs are eroding several feet a year. 这些悬崖每年都被侵蚀掉数英尺。
(HAVE NEGATIVE EFFECT)
C2 削弱；逐步破坏
to slowly reduce or destroy something
His behaviour over the last few months has eroded my confidence in his judgment. 他过去几个月的表现已经使我对他的判断力渐渐失去了信心。