Every summer holidays, a lot of male students and some female ones pretend not to notice.

每个暑假，许多男女学生会假装看不到板上有关十八岁一下青少年禁止去网吧，也不能上网太久的规定。

youdao

There exists a serious displacement between the true and fictional (illusory) worlds, but we pretend not to notice.

真实与虚构（幻想）世界其实存在着严重的倒错，但我们都假装不曾注意。

youdao

If you see someone you know, don't avoid them because you don't feel like talking, or pretend not to notice them because you're worried the conversation will be stilted.

如果你看到认识的人，不要因为不想说话或因为害怕谈话不自然假装没看到他们而避开他们。

youdao

There was always gossip at the water cooler about what office people wouldn't change the water cooler when it was empty horrible people who would pretend not to notice and skulk away, like they'd just doored a Benz in the parking lot.

WSJ: Jason Gay: Water Cooler Topics Are Overflowing