noisily (from many people talking); in a commotion
with a rustling sound (of leaves, branches, etc.); with a rippling sound (of the surface of a lake, etc.)
feeling a chill; with a chill (up one's spine)
胸がざわざわして落ち着かない。
My heart is uneasy and I cannot settle down
風で草がざわざわ揺れる。
The grass rustles in the wind
会場がざわざわし始めた。
The venue started to buzz with noise