(1)探しに行く、または求める
(2)更に遂行する、あるいは進む
(3)go in search of or hunt for; "pursue a hobby"
(4)carry further or advance; "Can you act on this matter soon?"
さらに詳しく
(2)go in search of or hunt for; "pursue a hobby"
(1)幸福を見つけようとする権利
(2)the right to try to find happiness