compunction
他毫无内疚地欺骗了那些信任他的人。
He deceived those who trusted him without ___compunction.
读了自己在愤怒之下发出的伤人信息后，他感到一阵突如其来的内疚。
He felt a sudden pang of ___compunction after reading the hurtful message he had sent in anger.
公司毫无愧疚地裁掉了服务年限最长的员工。
The company laid off its longest-serving employees with no apparent ___compunction.