Definition
To quickly and suddenly lie down, typically to avoid being seen or to seek protection from danger.
迅速躺下
The soldiers immediately hit the deck when they heard the gunfire.
士兵们一听到枪声就立即卧倒。
Hearing the helicopter overhead, we all hit the deck.
听到直升机在头顶盘旋，我们全都卧倒。
He hit the deck to avoid getting hit when he saw the ball flying towards him.
他看到球朝他飞来时，立即卧倒以免被击中。