Meaning of huài dàn:
huài dàn
坏蛋
Noun
bad egg; scoundrel; bastard
Xiǎo Míng shuō tā de línjū shì gè huài dàn.
小明说他的邻居是个坏蛋。
Xiao Ming said his neighbor is a bad egg.
Tā zhēn shì gè wú chǐ de huài dàn.
他真是个无耻的坏蛋。
He is truly a shameless scoundrel.
Tā zǒng shì zhuōnòng biérén, shì gè dà huài dàn.
他总是捉弄别人,是个大坏蛋。
He is always playing pranks on others, he is a big bastard.