她对实验数据的虚假性感到非常失望。

She was deeply disappointed by the ___falseness of the experimental data.

他道歉时的虚伪显而易见，声音里充满了不真诚。

The ___falseness in his apology was obvious, with insincerity dripping from his voice.

他说话时的假笑暴露了他的虚伪。

The ___falsity of his smile was evident when he spoke.