兔死狐悲 (tù sǐ hú bēi): lit. if the rabbit dies, the fox grieves ; fig. to have sympathy with a like-minded person in distress

兔tù死sǐ狐hú悲bēi

lit. if the rabbit dies, the fox grieves ; fig. to have sympathy with a like-minded person in distress

When the rabbit dies the fox mourns, knowing perfectly well who is next. For grief that is really about oneself, and it carries a shade of suspicion.