彼(かの)女(じょ) kanojoは waもう mou１０ 10年(ねん) nenも moフ()ラ()ン()ス()語(ご) furansugoを o勉(べん)強(きょう)し()て()い()る() benkyoushiteiruの noだから dakara、フ()ラ()ン()ス()語(ご) furansugoの no何(なん)た()る() nantaruか kaは waよく yokuわかっている wakatteiruはず hazuだ da。 Since she's been studying French for a full ten years now, she should be quite familiar with what French is all about. studyingeducationlanguagesFrench languagelanguage abilitylanguage learning~はず (expectation)~ている (ongoing state)~ている (resulting state)もう + past (already X-ed)も (emphatic 'as much as')~のだから (given that / because)Arabic numerals何たるか (what something truly is)
彼(かの)女(じょ) kanojoは waとても totemo勤(きん)勉(べん)な() kinbenna少(しょう)女(じょ) shoujoだった dattaので nodeフ()ラ()ン()ス()語(ご) furansugoが ga大(おお)い()に() ooini進(しん)歩(ぽ) shinpoした shita。 She was such a diligent girl that her French improved greatly. studyingdiligenceeducationFrench languagelanguage learning~ので (because)大いに (greatly, immensely)attributive な (na-adjective)Sino-Japanese compounds