No. 3,582 in Russian
сложные
"Complex" or "difficult."
In a sentence
Эта книга содержит сложные концепции.
This book contains complex concepts.
Used to describe something as being intricate or detailed.
Они решили сложные задачи на экзамене.
They solved complex problems in the exam.
Used to indicate problems or exercises that require a deep understanding or effort.
У нас сейчас сложные отношения.
We currently have a complicated relationship.
Describes emotional or interpersonal states that are challenging or problematic.
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