私塾的英文：
an old-style private school; a home school with private tutor

参考例句：

Confucius was the first to start a private school which accepted students from all classes of the country.
孔子首创私塾，接受各个阶层的学生，实行普及教育。

His family was very poor when he was young and he studied only at home with private tutors for a few years.
齐白石家境贫困，他只上过九年私塾，不得不辍学。

old是什么意思：
adj. 年老的；陈旧的；古老的；以前的；原来的
n. 古时

The Old Mandarin
老官吏

You old misery!
你这个爱抱怨的老家伙！

It is an old aphorism.
这是一句老格言。

style是什么意思：
n. 风格；作风；样式；款式；流行款式；风度；文体；文风；称号，称呼
v. 称呼；命名；设计

a stylus; a style
尖笔

The style is the man
字如其人

It is not unsophisticated in style.
它的风格不复杂。

private是什么意思：
adj. 私人的；不公开的；保密的；清静的；私营的
n. 士兵；列兵；私下，不公开

It's the private sector, stupid!
是私人部门出了问题，傻瓜！

Ignorance is mere privation.
无知是一种纯粹的贫乏。

And death is the privation of all awareness.
死亡是对所有意识的剥夺。