v.长时间或辛苦地工作( toil的过去式和过去分词 );艰难缓慢地移动,跋涉;
例句:
He toiled on till he was past eighty.
他一直辛苦工作直到年过八十.
He toiled a long time over his watch.
他吭哧了半天才把表修好.
All day he toiled on untiringly.
他毫不疲倦地整天工作.