A robber on the high seas.

海盗。

Hence, anyone using lawless methods in gaining something; esp. one who uses another's literary work for profit without permission or claims it as his own product.

盗制；盗用；(尤指)盗印；剽窃。

A ship engaged in robbery on the high sea.

海盗船。

To rob at sea.

海上抢劫。

To take and publish (a literary work) without permission or payment.

盗印；非法翻印；盗用。