niggling worry

Traduzioni
мелочная тревога
He couldn't shake off the niggling worry about the upcoming exam.
Он не мог избавиться от мелочной тревоги по поводу предстоящего экзамена.
Definizioni
A persistent, minor concern or anxiety that is difficult to shake off, often causing a sense of unease or discomfort.
Parole
worry

noun
беспокойство
niggling

adjective
мелочный