Breakdown of Olen varma, että tuo juhlava pukukoodi on vaikea oppia.
olla
to be
tuo
that
varma
sure / certain
vaikea
difficult / hard
oppia
to learn
että
that (conjunction)
pukukoodi
dress code
juhlava
formal
Questions & Answers about Olen varma, että tuo juhlava pukukoodi on vaikea oppia.
Why is the adjective in the nominative case (varma) instead of the partitive (varmaa)?
Because there is a specific, personal subject. When a person is sure of something, the adjective matches them in the nominative case, hence the implied minä (I) takes varma. If you were making an impersonal statement like 'It is certain that...', you would use the partitive: On varmaa, että....
Why do we use the basic dictionary form oppia here instead of a form like oppimaan or oppiminen?
The adjective vaikea (hard/difficult) has a specific rule (rection): it always pairs with the first infinitive (the basic dictionary form) of a verb. Other common adjectives like helppo (easy) and mukava (nice/comfortable) work the exact same way. It maps perfectly to English here: 'hard to learn' is vaikea oppia.
Since we are learning about wearing clothes (päällä, jalassa), can I use those local cases with pukukoodi?
No, because pukukoodi (dress code) is an abstract concept, not a physical garment. While you would use local cases for the clothes themselves (e.g., Juhlapuku on päälläni for 'I am wearing a formal suit'), for a dress code, you would use the verb noudattaa (to follow) with the partitive case: Noudatan juhlavaa pukukoodia (I am following a formal dress code).
What is the origin of the word pukukoodi?
It is a direct compound loan translation (a calque) from English: puku (suit/dress) + koodi (code). You will often see Finnish adopt modern international concepts by combining existing words in this exact, literal way.
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