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

The idea is to use pinpoint ground attack and anti-ship missiles, a growing fleet of modern submarines and cyber and anti-satellite weapons to destroy or disable another nation's military assets from afar.

ECONOMIST: A rare look inside the world��s biggest military expansion

Achille Lauro Achille Lauro: Attack on a Cruise ship on October 7th, 1985 that resulted in the death of an American Passenger Leon Klinghoffer who was pushed in his wheel chair off the side to his death by hijackers.

FORBES: Connect

Finally, there is the problem that even some Democrats on Capitol Hill - notably, Senator Joe Lieberman (technically an Independent who caucuses with Democrats) and Rep. Bennie Thompson, the chairmen respectively of the Senate and House Homeland Security Committees - recognize could eventuate at any time: an attack involving relatively short-range, ship-borne ballistic missiles used to launch a strategic electromagnetic pulse (EMP) attack against this country.

CENTERFORSECURITYPOLICY: Missile defense misjudgment