yín​xiào

to sing or whistle freely

吟啸 吟嘯 yín​xiào
to sing or whistle freely
(literary) to chant poetry, sing, or whistle in a loud and carefree manner; to express one's feelings through high-pitched sounds
to lament
(literary) to sigh, lament, or wail in grief; to moan with sorrow
to roar
(literary) to howl or shout loudly, as of a great army or the wind