有人大声敲窗户，把她吓了一跳。

Someone ___knocks loudly on the window, making her jump.

他在黑暗中不小心撞到了桌子。

He accidentally ___knocked into the table in the dark.

他总是挑剔别人的工作，从不给予积极反馈。

He always ___knocks other people's work and never gives positive feedback.

这次失误严重影响了我们的项目进度。

The mistake ___set back our project schedule significantly.