disloyally
/dɪs'lɔɪəlɪ/without loyalty; in a disloyal manner; "his men acted disloyally and betrayed him in the end"
adverb [方式副词] 不义地;不忠地
Sometimes, disloyally, he wondered if the Kaiser were not too enthusiastic about the honour of Germany. 有时,不忠地,他会怀疑德皇是否热衷于维护德国的荣誉。