Natyashastra
किञ्चित्प्रवेपिताङ्गस्त्वधोमुखो वीक्षते च पार्श्वानि । गुरुसज्जमानजिह्वः श्यामास्यः शङ्कितः पुरुषः ॥३५॥
A man with Apprehension has a dark face, a thick and protruding tongue, slightly trembling limbs, and he constantly looks sideways.
english translation
kiJcitpravepitAGgastvadhomukho vIkSate ca pArzvAni । gurusajjamAnajihvaH zyAmAsyaH zaGkitaH puruSaH ॥35॥
hk transliteration by Sanscript