know…已经拥有信息…
Find out… 获得信息…
Study… 通过书本、课程学习某个科目…
Learn…获得新知识或新技能
例句：
She didn't know anything about music but she liked to sing.
虽然她对音乐一无所知，但却爱唱歌。
例句：
That’s when you find out who you are and what your values are.
不过，那些往往正是你能够发现你是谁，你有什么价值的时刻。
And you may find out you have talents that you never dreamed of.
你可能会发现自己从来都不曾梦想有过的才能。
例句：
He was studying to be a doctor.
他在读医科。
例句：
No matter where you go in life or how old you get, there's always something new to learn about. After all, life is full of surprises.
不管你生活在哪里，你有多少岁，总有新东西要学习，毕竟，生活总是充满惊喜。
