ill-advised action

Translations
необдуманное действие
The ill-advised action of ignoring the warning led to serious consequences.
Необдуманное действие, заключающееся в игнорировании предупреждения, привело к серьезным последствиям.
Definitions
An ill-advised action refers to a decision or behavior that is unwise or imprudent, often leading to negative consequences or outcomes.