This problem is hard enough to perplex the teacher.
这个问题够难的，连老师也答不出来。
This problem is hard enough to perplex even the teacher.
这个问题确实很难，连老师都迷惑不解。
This problem is hard enough to perplex even the teacher.
这个问题确实很难，以至于老师都迷惑不解。
This problem is hard enough to perplex even the teacher.
这个问题确实很难，以至于老师都迷惑不解。
应用推荐