释义：
run away 逃跑，奔跑
字面含义为远远（away）地跑开，表示“逃跑”，“逃离”等。run off 还能表示“急忙走掉”，“逃跑”等，因此两者为近义词。
例句：
You can't run away from that.
你可跑不掉。
I am going to run away from you.
我要离你而去了。
Did he run off to see his mom?
他急忙离开是为了见他妈妈吗？
对话：
A: Some children choose to run away from home.
有些孩子选择离家出走。
B: They must have difficult lives.
他们肯定活得很不容易吧。
