I’ve took one in this past semester and got a lot out of it.
我在學(xué)期末拿了第一,并從中收獲了很多快樂.
got a lot out of it ：從中得到很多快樂
This should up to be a pretty good semester for you.
這個(gè)學(xué)期總體上是相當(dāng)好的.
up to be：總的來說
I have to take one more Math course,but I have been putting it at all.
我不得不多上一門數(shù)學(xué)課程,但是我已經(jīng)把它忘得一干二凈.
這句中的putting it at all.忘得一干二凈
but you may want to take it and just take these 4 courses in this semester
但是你或許想上這門課,而且在這個(gè)學(xué)期只想上這四門課.