問(もん)題(だい) mondaiは wa君(きみ) kimiが ga彼(かの)女(じょ)の() kanojono英(えい)語(ご) eigoを o理(り)解(かい) rikaiできる dekiruかどうか kadoukaだ da。 The problem is whether you can understand her English. Literal Problem [topic-は] you [subj-が] her [poss-の] English [obj-を] can-understand [whether-かどうか] [copula-だ]. 理解できる is the potential form of 理解する ('understand'). 君 is an informal second-person pronoun, used between male peers or by a superior to a subordinate. problem-solving~かどうか (whether or not)potential form (~える/~られる)
問(もん)題(だい) mondaiは wa君(きみ) kimiが ga彼(かの)女(じょ)の() kanojono英(えい)語(ご) eigoを o理(り)解(かい) rikaiできる dekiruかどうか kadoukaだ da。 The problem is whether you can understand her English. Literal Problem [topic-は] you [subj-が] her [poss-の] English [obj-を] can-understand [whether-かどうか] [copula-だ]. 理解できる is the potential form of 理解する ('understand'). 君 is an informal second-person pronoun, used between male peers or by a superior to a subordinate. problem-solving~かどうか (whether or not)potential form (~える/~られる)