하지만(ha-ji-man, hajiman)
A contrastive conjunction emphasizing opposition or contradiction to the previous sentence
When to use
strong contrast emphasis, expressing objection, sentence-initial position
The nuance
Usually placed at the beginning or middle of a sentence to express strong contrast or objection.
그런데(geu-reon-de, geureonde)
A connector used to smoothly link slightly different situations or information from the previous statement
When to use
topic shift, background explanation, soft connection
The nuance
Mainly used at the beginning of sentences to naturally shift topics or provide background information in conversations or writing.
그렇지만(geu-reoh-ji-man, geureohjiman)
Similar to 하지만, expressing contrast but more formal and closer to written language
When to use
formal contrast, written style, official sentences
The nuance
Placed at the beginning or middle of sentences, used in formal or written contexts to express contrast.