chop the air with (someone's) hand

Translations
жестикулировать рукой в воздухе
During the argument, she started to chop the air with her hand.
Во время спора она начала жестикулировать рукой в воздухе.
Definitions
To make a sharp, downward or sideways motion with one's hand, often to emphasize a point, signal a command, or express strong emotion such as anger or frustration.
Words
chop

verb
рубить
the

article or possessive pronoun
определённый
air

noun
воздух
with

preposition
с
someone

pronoun
кто-то
is

functional word
есть
hand

noun
рука