illusory

这一推理是虚幻的，制造了有效性的假象。

The reasoning is ___illusory, creating the appearance of validity.

他的成功只是虚幻的，建立在虚假的数据之上。

His success was purely ___illusory, built on fabricated data.

这个广告承诺的效果其实只是虚幻的假象。

The effects promised in this advertisement are merely ___illusory.