rs.visitsth.on/uponsb./sth造成,使遭受,对某人/某物进行惩罚visitthesinsoftheparentsupontheirchildren=makethechildrensufferfortheirparent'sfailings使子女因父母之过错而受惩罚2.Indeed,itisbecauseofthepainthateventsorconflictsengenderinusallthatwecallthemproblems.强调句。去掉itis…that…剩下的部分成立3.Andsincelifeposesanendlessseriesofproblems,lifeisalwaysdifficultandisfullofpainaswellasjoy.poseanendlessseriesofproblemsposethreatposedangerposeforapicture(1)Yetitisinthiswholeprocessofmeetingandsolvingproblemsthatlifehasitsmeaning.(2)Itisonlybecauseofproblemsthatwegrowmentallyandspiritually.(本句的语序要留意)比较:Onlybecauseofproblemsdowegrowmentallyandspiritually.类似的还有notuntil…被强调时,例如:Itwasnotuntilmidnightthatthepartybrokeup.Notuntilmidnightdidthepartybreakup.(3)Itisthroughthepainofconfrontingandresolvingproblemsthatwelearn.(4)ethepainofproblems.