These are literally translations, you can use these as real words (not just as names) in Korean :D
Seungri - Victory/To win
승리 (seung-ri) is the Korean word for Victory!
Example:
전쟁에서 승리하다
To win the war
Hanbyul - One Star
한별 (han-byul) means one star!
Example:
별이 빛나는 밤
A night with shining stars
Haru - Day
하루 (ha-ru) means day. Tablo said he named her that because she gives him a reason to live everyday!
Example:
하루 종일
All day long.
Taeyang - Sun
태양 (tae-yang) means sun!
Example:
The Sun is the largest star.
태양은 큰 별이다.
Sarang - Love
사랑 (sa-rang) means love!
Example:
사랑해!
I love you!