He pulled as hard as he could on the oars.

　　他拼命地劃槳。

　　The blade of the oar had entangled itself with something in the water.

　　船槳的槳葉和水里的什么東西纏住了。

　　Mustering all her strength, Nancy pulled hard on both oars.

　　南希使出所有力氣，用力劃動雙槳。

　　The boatmen accompany the stroke of their oars with the sound of their voices.

　　船夫們一邊劃槳一邊喊號子。

　　This boat pulls [ rows] six oars.

　　這只船用六把槳劃。