ruse|ruses

她假装生病只是个计谋，为了逃避考试。

Her fake illness was just a ___ruse to skip the exam.

他识破了敌人的诡计，没有上当。

He saw through the enemy's ___ruses and didn't fall for them.

他用假情报作为诱敌深入的计谋。

He used false information as a ___ruse to lure the enemy deeper.