I tried to lead the discussion back to the main issue.

　　我試圖把討論引回到主要問(wèn)題上。

　　She has tried to lead a good life.

　　她努力規規矩矩地生活。

　　He should be able to lead a perfectly normal life.

　　他應該能夠過(guò)上完全正常的生活。

　　Social and political problems led to the outbreak of war.

　　社會(huì )和政治問(wèn)題導致了戰爭的爆發(fā)。

　　Eating too much sugar can lead to health problems.

　　食用過(guò)多的糖會(huì )引起健康問(wèn)題。