此句无错,to不是多余的.
catch on to = understand 明白,理解.(on to 也可省略)
句意:我不太明白你所说的话
又如:I don't quite catch (on to) what she is saying.
我不太明白她在说些什么.
Being a foreigner,Carl did not catch on to the joke.
卡尔是个外国人,不能了解这笑话的含意.
此句无错,to不是多余的.
catch on to = understand 明白,理解.(on to 也可省略)
句意:我不太明白你所说的话
又如:I don't quite catch (on to) what she is saying.
我不太明白她在说些什么.
Being a foreigner,Carl did not catch on to the joke.
卡尔是个外国人,不能了解这笑话的含意.