“艰苦地”造句

他们整天艰苦地挖壕沟.
They toiled all day digging the trench.

他自己艰苦地开创了一番事业.
He hewed out a career for himself.

他沿路跋涉 [ 艰苦地穿过泥潭 ].
He toiled on down the road [ toiled through the mud ].