毫无疑问地
without doubt adv 1: used to reinforces an assertion; "it's expensive all right" [syn: {all right}, {alright}] 2: admittedly; "to be sure, he is no Einstein" [syn: {to be sure}, {no doubt}] 3: with certainty; "it's undoubtedly very beautiful" [syn: {undoubtedly}, {doubtless}, {beyond question}, {beyond any doubt}]