unevenly, not smoothly, not fluently
Разговор пошёл негладко с самого начала.
The conversation got off to a rocky start.
Поездка прошла негладко из-за поломки машины.
The trip did not go smoothly because the car broke down.
Он говорил негладко, часто путая слова.
He spoke haltingly, often mixing up his words.
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