堅固: strong

謙吾: a male given name / 健吾: a male given name / 堅吾: a male given name / 謙伍: a male given name

堅固:strength

堅固: completely; absolutely

Synonym of 朝顔 (asagao): Japanese morning glory (Ipomoea nil)

master of swordsmanship

strong

strength

(Classical Japanese) to be watching continuously, to be on watch repeatedly, to be on look out

(Classical Japanese) to be watching continuously, to be on watch repeatedly, to be on look out / (Classical Japanese) to protect something, to take care of something