toil

n.辛苦, 苦工, 网, 罗网, 圈套
v.苦干, 跋涉, 费力地做

The slaves toiled up the hill pulling the heavy blocks.

那些奴隶艰难地把沉重的石块拖上山。

More important, a host of unemployed citizens face the grim problem of existence, and an equal and great number toil with little return.

更重要的是，大批失业公民正面临严峻的生存问题，还有大批公民正以艰辛的劳动换取微薄的报酬。