拿，一般用to take; to hold
得到：get，
这个都一般要考虑具体用在什么地方的，百度就有很多很详细的解释，
百度解释：
拿：1to take; to hold
2.to arrest3.[Dialect] capable of doing or handling
4.a preposition-like function word introducing a method, way, implement, material, etc.
得到：to obtain; to receive; to acquire; to derive; to earn; to get; to gain
可以参照具体内容去套用。
get的意思很广
He
gets
a
good
salary
.
achieve
主要是做成…事
We
can
achieve
anything.
obtain
得到、获得
obtain
credit
access
(常接to)
，接近
