They have been wearing disguises all their lives.

它们一生都在伪装。

He had been a miner, rancher, prospector, hunter, etc., rambling always, and wearing his life away in mere waste; but now he was going to settle down.

他当过矿工、牧场主、探矿者、猎人等等，总是四处游荡， 虚度光阴。 但现在他要安定下来了。

I doubt not hundreds have been as unfortunate as myself; that hundreds of free citizens have been kidnapped and sold into slavery, and are at this moment wearing out their lives on plantations in Texas and Louisiana.

我怀疑没有数百人像我一样不幸；数百名自由公民被绑架并卖为奴隶， 此刻正在得克萨斯州和路易斯安那州的种植园中耗尽生命。