谤
bàng
to slander
to defame; to speak ill of
他故意诽谤同事，说了很多假话。
tā gù yì fěi bàng tóng shì，shuō le hěn duō jiǎ huà。
He deliberately slandered his colleague and said many lies.
用毁谤的方式打败对手是不道德的。
yòng huǐ bàng de fāng shì dǎ bài duì shǒu shì bù dào dé de。
Using defamation to defeat an opponent is immoral.