不轨

His bad behaviour has tarnished the good name of the school.

他行为轨, 败坏了学校声誉。

The boy’s misconduct cost his mother many sleepless nights.

这男孩轨行为,使他许多夜得安眠。

Don't harbor unkind thoughts.

要轨。

Their talk was slightly malicious.

他们谈话有点儿轨。