I am no naval expert, but obviously the pirates can hardly attack a ship without revealing themselves.

我不是海军专家，但显然海盗几乎不可能不在暴露自身的情况下攻击船只。

youdao

His crew decided to become pirates and their first attack was on an Arab ship that was carrying treasure.

他的船员们决定成为海盗，并且他们的第一次攻击是对一艘满载着财宝的阿拉伯船支。

youdao

The submarine surfaced suddenly and flashed a signal lamp at the ship indicating an imminent attack.

那艘潜水艇突然浮出水面，对着这条船闪着信号灯，表明攻击在即。

youdao

One day, the insects' love of sweets caused them to attack a ship that was bringing sugar to the camp.

VOA: special.2009.01.24

Last month, Hamas refused Iran's offer to provide an escort for their aid ship to Gaza following the flotilla attack, saying the Iranian assistance might only complicate the situation.

VOA: standard.2010.07.26

U.S. officials have said the ship is carrying attack helicopters and munitions from the port of Kaliningrad.

CNN: STORY HIGHLIGHTS

If a ship is under attack or getting approached by a suspicious craft then the crew call one of two mobile phones lying on the desk.

BBC: Seeking Somali pirates, from the air

Royal Caribbean, the cruise-line company, announced a week after the attack that its Nordic Empress ship could no longer depart from New York because authorities had taken control of the port.

FORBES: Collateral Damage