由也生堂也,未入于室也翻译

“由也升堂矣,未入于室也”
直译就是仲由（的水平)可以说是升堂了,只是没入室罢了.
比喻技艺水平日臻成熟,渐入佳境.
1：YOU passed through the hall ,but not went into the inner chamber yet.
2：become highly proficient in one's profession,but not gain the mastery of one's study.