英语翻译以延续下去（live on)；3.Bruce努力工作以弥补他经验的不足（by means of)4.因为专心于读

steven has already studied mathon on his own by the time he was fourteen.
our government is taking actions to make this custom live on.
bruce is remedying his lack of expenrience by means of working hard.
the voice was buried just because he absorbed in reading,