求翻译：来信已阅，这封信本来应该是吕游写的，因为他功课紧，最近还要参加“三月三”的排练（我们壮族的一个重大节日），所以请您见谅。是什么意思？

Have read the letter, this letter should have been written by Lu tour, because his grades were tight, also participate in the March 3 rehearsal (we Zhuang a major holiday), so please forgive me.

正在翻译，请等待...

The incoming letter has read, this letter should be originally Lv You writes, because his schoolwork is tight, recently also had to participate in “in March three” rehearsal (our Zhuang national minority's significant holiday), therefore invited your excuse me.

Read a letter, the letter should have is Lv You write, because his work immediately and, more recently, to participate in the "March" rehearsal (we are a major festival of the Zhuang nationality), so please bear with me.