We lead the way in space technology.
我们在航天技术方面处于领先地位。
If we take the lead in this, others may follow.
如果我们在这方面带头行动，其余的.人就会跟着来。
I tried to lead the discussion back to the main issue.
我试图把讨论引回到主要问题上。
She has tried to lead a good life.
她努力规规矩矩地生活。
He should be able to lead a perfectly normal life.
他应该能够过上完全正常的生活。