The book associates takrīr with rāʾ: the tongue-tip articulation has a potential for repetition. The important practical caution is to prevent exaggerated repeated trilling.
In أَرْ, produce one clear rāʾ without making it sound like a series of new rāʾ consonants. Recognize the quality while controlling it.
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Takrīr of rāʾ without exaggeration
Ṣifāt al-Ḥurūf — Opposing Qualities and Strength Grades
The book associates takrīr with rāʾ: the tongue-tip articulation has a potential for repetition. The important practical caution is to prevent exaggerated repeated trilling.
In أَرْ, produce one clear rāʾ without making it sound like a series of new rāʾ consonants. Recognize the quality while controlling it.