undermine

[.ʌndə’main]

中文解释： vt. 逐渐削弱，暗中损害 (=destory?)

例句： Generally, there will be a effect that traffic jams is undermining the efficiency for citizens.

deem

[di:m]

中文解释： v. 视为，认作

例句：He has been deemed to be the trust-worthy employee in this corporation.