thrust (one's) head above the parapet

Translations
высовывать (голову) из окопа
She was the only one brave enough to thrust her head above the parapet and challenge the director's decision.
Она была единственной, кто осмелился высунуть голову из окопа и оспорить решение директора.
Definitions
To take a risk by publicly stating an opinion or taking a stand on a controversial issue, especially when it may attract criticism or opposition. The phrase originates from the idea of exposing oneself to danger by sticking one's head above a protective barrier (parapet).
Words
thrust

verb
высунуть
one

pronoun
свой
is

functional word
есть
head

noun
голову
above

preposition
над
the

article or possessive pronoun
этим
parapet

noun
бруствером