아직(a-jik, ajik)
Indicates that something has not happened or is not completed yet, often implying expectation or delay
When to use
Incomplete state, Delayed expected change, Emphasis in negative sentences
The nuance
아직 is mainly used to emphasize that a state or event has not been completed or changed yet, often appearing in negative sentences.
여전히(yeo-jeon-hi, yeojeonhi)
Indicates that a state or situation remains unchanged from past to present
When to use
Unchanged state maintenance, Same situation as past, Both affirmative and negative possible
The nuance
여전히 expresses that a state has continued unchanged from the past to the present, usable in both affirmative and negative sentences.
계속(gye-sok, gyesok)
Indicates that an action or state continues without interruption
When to use
Continuous action, Uninterrupted state, Repeated situations
The nuance
계속 is used when an action or state continues without stopping, often for ongoing or repeated actions.