English

An 'aficionado' is a person who is very knowledgeable and enthusiastic about an activity or subject, making 'enthusiast' the correct synonym. The other options do not match the meaning of 'aficionado.'

The word 'pathological' relates to disease or abnormality. Its antonym is 'healthy,' which means free from disease or abnormality, making option A correct.

The word 'dissent' means to disagree or hold a different opinion, so its synonym is 'disagree'. The other options mean to agree or accept, which are antonyms.

The word 'amnesty' means an official pardon for people who have been convicted of political offenses. Therefore, 'Pardon' is the correct synonym among the options provided.

The word 'connotations' refers to the implied or associated meanings of words, which are often difficult to fully capture in translation. This makes option D the correct choice, as it best fits the context of the sentence.

The word 'flank' refers to the side of a person or animal, typically the right or left side. Therefore, option A correctly defines a synonym of 'flank'.

The idiom 'Swan song' refers to a final performance, effort, or work before retirement or death, hence it means 'Last work'.

A syllable is a part of a word that can be pronounced separately, typically containing a vowel sound. The other options do not fit this definition: a particle is a small function word, a sibilant is a type of consonant sound, and a letter is a written symbol, not a pronounceable unit.

The word 'revealed' means made known or disclosed. Its antonym is 'concealed,' which means kept hidden or secret. Therefore, option B is the correct antonym.

The correct preposition to use with 'confided' when referring to the person one shares a secret with is 'in'. Therefore, 'He confided in me' is correct.