无可讳言[wú kě huì yán]
词典indisputable：无可争辩的；不容置疑的；无可否认的；无可讳言。
词典There is no hiding the fact.：无可讳言。
词典beyond (all) question
词典\u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
词典past dispute：无争论余地，的确，无疑；无可讳言。
无可讳言[wú kě huì yán]
danci.911cha.com
There is no hiding the fact.; beyond (all) question; indisputable; past dispute; undeniable:
例：无可讳言的事实
an indisputable fact
1. it is no secret (that)：come straight to the point 单刀直入 | it is no secret (that)... 无可讳言 | clarify the aim and theme from the very beginning 开宗明义