فتعدمها المسحة الطبيعية التي هي سرّ من أسرار الفنّ الحقيقي .

fa-tuʕdimu-hā ’l-masḥaẗ^a ’l-ṭabīʕiyyaẗ allatī hiya sirr^un min ʔasrār al-fann al-ḥaqīqī.

and that their Western features clearly leave such an imprint on an author’s [lit. his] piece that it will lack the natural touch that is one of the secrets of real art.

AR: ṭabīʕī (ṭabīʕaẗ), ʔasrār (sirr), fann, ḥaqīqaẗ / ḥaqīqī
EN: Western features, natural touch