conscience/ˋkɑnʃəns; ˈkɒnʃ$ns/n [C,U]1 the part of your mind that tells you whether what you are doing is morally right or wrong 良心﹐良知: He had a guilty conscience (=feeling of guilt). 他感到内疚。I knew I could face them with a clear conscience (=when you know you have done nothing wrong ). 我知道我可以问心无愧地面对他们。pang/twinge of conscience (=a slight feeling of guilt) 一阵愧疚2 on sb's conscience making you feel guilty 令某人感到内疚: I lied and it's been on my conscience ever since. 我撒了谎﹐此后一直受到良心谴责。