求翻译：我的英语很差，我只是想加一个外国人，然后帮一下我，我上学很不努力，所以这次高考因为英语被拖后腿了。是什么意思？

My English is very bad, I just wanted to add a foreigner, then help me, my school is not hard, so this because English was clip the wings of the college entrance examination.