сло́жно

common #835

1.
it is difficult, it is hard
Сло́жно достава́ть ему инсули́н.
It is difficult to get insulin for him.
Used impersonally, often with an infinitive and a dative of the person: мне сложно...
2.
in a complicated way, complicatedly
Он объясня́ет всё сли́шком сло́жно.
He explains everything in far too complicated a way.
3.
(rare) compound-, complexlytechnical
сло́жно-слои́стая среда́
a multi-layered medium
Only as the first part of hyphenated technical compounds.

Examples

Э́то сде́лать не так сложно, как кажется.
It's not quite as difficult to do as it sounds.
Э́то сложно сде́лать?
Is that difficult to do?
Э́то слишком сложно объясни́ть.
It's too difficult to explain.
Прости́ть не сложно, сложно снова пове́рить...
To forgive is not difficult, difficult to believe again ....
Э́то сложно сказа́ть.
It's hard to say.
Э́то слишком сложно.
This is too hard.
На э́тот вопро́с бы́ло слишком сложно отве́тить.
The question was too difficult to answer.
Я не могу́ почини́ть э́ту маши́ну. Э́то очень сложно.
I cannot fix this machine. It's very difficult.

сло́жноit is difficult; in a complicated way; compound-
adverb
сложи́тьto stack; to fold; to add; to pack up; to compose
verbperfective
сло́жныйcomplicated; difficult; compound
adjective
сложе́ниеaddition; build; combining
nounneuter
сложи́тьсяto turn out; to form; to mature (as); to be made up (of); to chip in
verbperfective