强风突然袭来，前帆剧烈拍打，船员们立即采取了应急措施。

The strong wind suddenly hit, causing the jib to ___flog, and the crew took immediate emergency actions.

电脑死机时，他低声骂了句'操'。

When his computer crashed, he muttered '___fuck' under his breath.

我们在动物园看到一只名叫Fok的狐狸。

We saw a fox named ___Fok at the zoo.