to study / to learn

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

系: system, style / 刑: punishment / 慧: intelligent / 計: plan, total / 形: shape, form / 京: ten quadrillion, 10¹⁶ (Chinese Numeral)

圭: a unisex given name / 啓, 恵, 蛍, 慧: a male given name

計: meter, measuring instrument / 系: system, family, style / 刑: punishment / 形: form, tense

四辺形: a quadrilateral (polygon having four sides)

競馬: horse race

多角形: polygon