flail around uncontrollably

Translations
махать неконтролируемо
The child began to flail around uncontrollably during the tantrum.
Ребенок начал махать неконтролируемо во время истерики.
Words
flail

verb
метаться
around

adverb
вокруг
uncontrollably

adverb
неконтролируемо