To see through someone or something — to perceive another's true feelings, lies, or intentions despite outward appearances.
彼女は嘘を簡単に見透かす。
She easily sees through lies.
あの先生には学生の本心が見透かされているようだ。
That teacher seems to be able to see into the students' true feelings.
そんなに早く見透かさないでほしい。
Please don't see through me so quickly.