最初のクラスは少人数で　The first class is small groups　第一批学生人数不多　

4月初旬に本学に到着。入学のための諸手続きを終えて、さっそく日本語の勉強を始めました。最初は、少人数で勉強します。

They arrived at our school in early April. They completed various procedures for admission and immediately began studying Japanese.
At first, they study in small groups.

他们于四月初到达日本，办完各种入学手续后，立即开始学习日语。最初，他们分小组学习。