проволо́чка

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1.
delay, holdup
Дело затяну́лось и́з-за бюрократи́ческих про́волочек.
The case dragged on because of bureaucratic delays.
Refers to a concrete instance of something being held up; often plural, typical of bureaucratic contexts.
2.
procrastination, dawdling, dilly-dallying
Его постоя́нные про́волочки всех раздража́ли.
His constant procrastination annoyed everyone.
The attitude of putting things off, rather than a single hold-up.
3.
(rare) thin wire, short piece of wire
Он скрути́л концы́ про́волочкой.
He twisted the ends together with a little wire.
Different stress: про́волочка, diminutive of про́волока.

Examples

Он замотал проволочку вокруг сломанной ветки.
He wrapped the wire around the broken branch.
Чиновники устроили новую проволочку с документами.
The officials caused yet another delay with the documents.
Из-за проволочки в суде дело затянулось надолго.
Because of the delay at the court, the case dragged on for a long time.