at first表示首先,后面依次使用second,third...或者then
At first,i thought he was right,but then i found he was wrong.
at the begining表示在.刚开始之时,we are just at the begining of our life.
at first表示首先,后面依次使用second,third...或者then
At first,i thought he was right,but then i found he was wrong.
at the begining表示在.刚开始之时,we are just at the begining of our life.