Discussion of 堂 [táng] hall; room used for specific activity; relationship between cousins of the same paternal grandfather; (lit.) mother - Trainchinese

1 - According to my Quick Study Academic Mandarin Vocabulary card, this word, táng 堂 is a counter/measure word for class period interchangable with jié 节. Not to be confused with mén 门, the other counter for classes, which is a counter for subjects (i.e., History, Literature, etc.)! 2 - How can I incorporate 堂 into a sentence? (táng) 3 - Are there any common idioms or phrases that include 堂? (táng)

根据我手中的快速学习学术普通话词汇卡片，'堂'（táng）一词作为计数/量词，与'节'（jié）可互换，用以指代课时。需注意，'门'（mén）作为另一计数量词，专用于科目（例如历史、文学等）的课时计数！2 - 如何将'堂'（táng）融入句子中？3 - 是否有包含'堂'（táng）的常见成语或短语？