Rasarnavasudhakara 2.475

2.475

yathā-
savidhe' pi mayy apaśyati śiśujana-ceṣṭā-vilokana-vyājāt |
hasitaṃ smarāmi tasyāḥ sa-svanam ākuñcitāpāṅgam ||

For example:
"Even when I was near, as she pretended not to see me on the pretext of watching the antics of children,
I remember her laughter, accompanied by a soft sound, with contracted corners of her eyes."