1.whenitcomesto(doing)sth说到(做)某事/在(做)某事方面Whenitcomestofriends,Idesirethosewhowillsharemyhappiness.说到朋友，我渴望那些和我一起分享快乐的人。Whenitcomestogoingabroad,viewsvaryfrompersontoperson.一提到出国，不同的人有不同的看法。IhighlyrecommendtheGreatWallasamust-seeattractionwhenitcomestovisitingBeijing.提到去北京参观，我强烈推荐的一个必看景点就是长城。2.itisobvious(that)...显而易见……Itisobviousthatknowledgeplaysanimportantroleinourlife.显而易见，知识在我们的一生中发挥着重要的作用。3.be+of+抽象名词=be+抽象名词的形容词IfindgoingtotheEnglishcornercanbeofgreathelptous.我觉得去英语角对我们有很大帮助。Ihopemysuggestionswillbeofbenefittoyou.我希望我的建议对你有益。4.sthishelpfulindoingsth某物对做某事有帮助ListeningtotheEnglishprogramsontheradioisveryhelpfulinimprovingourEnglish.听电台的英语节目对提高我们的英语水平很有帮助。5.nottomentionsth更不用说某事物了Pollutiondoesharmtothehealthofeveryonelivinginthecity,nottomentionthedamagetotheenvironment.污染对生活在这个城市里的每一个人的健康都有害处，更不用说对环境的破坏了。6.enablesb/sthtodosth使某人有可能做某事/使某事可能发生Listeningtosoftmusicenablesmetofeelrelaxedandenjoythepeace.听轻柔的音乐使我可以放松下来，享受宁静。It'sourparents'carethatenablesustogrowupfitandstrong.是父母的呵护让我们茁壮成长。Newtechnologyhasenabledthehigh-speedtraintorunontime.新技术使高铁能够准点运行。7.(be)facedwithsth面临/碰到某事Chinaisfacedwiththechallengeofanageingpopulation.中国正面临着人口老龄化的挑战。8.nothingismoreimportantthan...……是最重要的；没有比……更重要Nothingismoreimportantthantogainknowledge.没有什么比获取知识更重要了。Whenwearefacedwithdifficulties,nothingismoreimportantthanconfidence.当我们遇到困难时，没有什么比信心更重要。9.sthremains某物留存下来Thehappymemoriesofmyclassmateswillalwaysremainwithme.对同学们的美好回忆会永远留在我心中。10.itisconvenient(forsb)todosth(对某人来说)做某事方便Nowadaysitisconvenientforpeopletopaybillswiththemobilephone.现在人们用手机支付账单非常方便。11.t...