지만(ji-man, jiman)
A connective ending used to link clauses that contrast or oppose each other
When to use
clear contrast expression, strong opposing opinion, independent clause connection
The nuance
Used mainly to emphasize contrast or opposition with the preceding clause. Attached at the end of a clause to clearly indicate opposing meaning.
는데(neun-de, neunde)
A connective ending used to provide background information, explain situations, or smoothly connect sentences
When to use
background explanation, situation connection, smooth conversation transition
The nuance
Mainly used to explain the situation or background of the preceding clause or to smoothly connect to the next sentence. Used not only for contrast but also for additional information or reasons.