건물 involuntarily emitted semen

건물 建物 a building; a structure

건반 鍵盤 a keyboard. 악기 keyboard instruments

걷다 1.~roll [turn] up (one's sleeves); tuck up; fold up.
소매를 걷어 올리다 tuck [roll] up one's sleeves.
2.~remove; take away; take down; pull down.
3.~walk

걸리다 1.~hang (from, on)
2.~be against (a law); trespass (a law); be contrary to.
3.~take (time)

걸어가다 walk, go on foot

걸어오다 walk, come on foot

걸음 walking; stepping; a step; pace.
한걸음 한걸음 step by step. 빠른 걸음으로 at a rapid pace; with a rapid step.
걸음을 재촉하다 [늦추다] quicken [slacken] one's pace

걸음마 Let's walk now!

겨울 winter; the winter season