This is the 571st most frequent Ukrainian word.
складно
Difficult.
In this sentence, 'складно' functions as an adverb describing the challenging nature of time management for the subject.
У нього завжди складно з часовою організацією.
He always has difficulty with time management.
Here, a form related to 'складно' ('складні') is an adjective ('складні'), describing 'moments' ('моменти'), showcasing its use to denote difficulty as a quality.
Іноді бувають складні моменти в житті.
Sometimes there are difficult moments in life.
The word 'складно' is used here as an adverb to describe the difficulty of understanding something.