전보다

In a sentence

• 그는 전보다 더 열심히 공부하고 있어요.

  He is studying harder than before.

  In this sentence, '전보다' is used to make a comparison to how much he used to study before now, implying a greater degree of effort currently.

• 이 방은 전보다 밝아졌네요.

  This room has become brighter than before.

  Here, '전보다' is utilized to express a change in brightness level, comparing the current brightness with the previous state.

• 나는 전보다 음악에 더 관심이 많아졌어요.

  I have become more interested in music than before.

  The phrase '전보다' is used in this context to indicate a personal change in interest levels towards music, comparing current interest with prior interest.