only that
1．with the exception that除了；
只是
He is a good student，only that he is a little lazy．他是个好学生，只是稍微懒一点。
2．were it not that若不是；要是没有
I should like to go，only that I am ill．要是没病，我倒是很想去的。
I would come only that I'm engaged to dine out．若不是有约外出吃饭，我倒是愿意来的。