slanderer
n. 诽谤者
例句
He demanded an apology from the slanderer.
他要求诽谤者道歉。
A slanderer cannot succeed unless he has a reputation for hating slander.
一个诽谤者如果没有憎恶诽谤的名气,便不会成功。
Armed with facts and figures he had little difficulty in talking the slanderer down.
他以事实和数字为后盾,毫不费力地驳倒了诽谤者。