1、怀疑
... repercussion n. 弹回,反响,反射 call into question 怀疑；对……表示异议；对……表示怀疑；引人质疑 competent evidential matter 有效的证据材料 ...
2、对…表示怀疑
...catc...call in叫（某人）进来；来访...call into question对…表示怀疑；认为有...call names骂人，咒骂...
3、被讨论
...讨论；讨论；议论 talk about按讨论 by discuss被讨论 call into question; come into question ...
4、反驳
... 1.to argue, angrily and for some time：争论；争辩；争执 2.to disagree about; call into question; doubt：怀疑；反驳 dilate to make or become wider or larger：张大；扩大 ..