the act of trying to catch fish by pulling a baited line through the water behind a boat

Trolling is another reliable method and accounts for a surprising number of big fish. 拖捕也是一种可靠的捕鱼方式，能捕到相当多的大鱼。

I have used my trolling rods which seem to be too heavy. 我用过我的拖钓杆，但是它们似乎太重了。