или опоздаешь

or you'll be late

→ или
phrase Rare #44,338
or you'll be late Used after an imperative to warn about a likely consequence. Literally, “or you will be late.”
RU: Скорее, или опоздаешь на поезд.
EN: Hurry up, or you'll be late for the train.

Поспеши, или опоздаешь.

Hurry up, or you'll be late.

Беги, или опоздаешь.

Run, or you'll be late.

Поспеши или опоздаешь.

Hurry up or you'll be late.

Поспеши, или опоздаешь на автобус.

Hurry up, or you'll miss the bus.