On the whole her school work is improving, though her spelling is still poor.

，她作业质量在提高，尽管拼写错误仍然很多。

Sometimes she is grouchy, but all in all she is an excellent teacher.

有时候她脾气很坏,但她还是一位好。

In general, the book was quite useful for the non-techy crowd.

，本书对那些电脑技术不太在行人相当有用。