They are thoroughly trained in a 
variety of specialized fields.
他们在各类专业范畴接管了周全的练习。
a variety of在此暗示“百般各样，多种多样”，可以指不少种纷歧样的工具，也能够指统一事物的分歧种类。雷同的另有all sorts/kinds of，暗示“各类各样的，五花八门的”。区分在于，a variety of只能用来指物，all sorts/kinds of还可以指人，而且夸大数目很大。
variety还可暗示“品种，种类”，好比12种玫瑰，也就是12 varieties of roses。
The shop offers 12 varieties of roses for Valentine’s Day.
恋人节时代，这家商铺出售12种分歧的玫瑰。
People are likely to mess things up if they are too tired.
人们若是太累，轻易搞砸事变。
be likely to do something暗示“可能做某事，有……的偏向”，主语可觉得人也可为物。tend也可暗示“偏向”，但在详细使历时不必定要直译出来。好比某事tend to happen，那末是指“常常会”如斯；而或人tend to think something，则指“小我认为，小我感觉”。咱们在一些译文中常会看到“我小我偏向于认为”，如许翻译就会显得比力僵硬，直接说“我小我认为/感觉”便可以了。
I tend to think this company’s products are able to enter oversea markets.
我小我感觉这家公司的商品能进入海外市场。
mess up在本句中暗示“搞砸，弄糟”，雷同的另有screw/foul up。区分在于，mess/screw up属于非正式用法，暗示某事被搞砸了；foul up更夸大因做错某事，或做了甚么蠢事而搞砸某事。
mess up还可暗示“弄乱，弄脏”，好比房间或录相带；若是某事mess someone up，则指“滋扰，搅乱，使或人不得安定”。
Don’t mess me up! I need to concentrate!
别打搅我！我要集中注重力！
More often than not things that lead to happiness involve some pain.
带来幸福的事变常常也会陪伴着痛楚。
more often than not暗示“常常，多半，凡是”，咱们也能够用as often as not来暗示。这句话可以改写为：
As often as not, things that lead to happiness involve some pain.
带来幸福的事变常常也会陪伴着痛楚。
In the long run, too much specialization doesn’t pay off.
从久远来看，过分专业化其实不会带往返报。
in the long run暗示“从久远来看”，咱们也能够说in the long term。相对于
的，暗示“从短时间来看”则可以用in the short run/term。若是想暗示“从中期来看”，则只能用in the medium term，这里的中期也就是指几个月或几年的时候。
pay off在此暗示某种举动在一段时候后“乐成、获利”。别的，pay off也可暗示“还清、偿清”债务，若是你pay off了或人，则特指还清了或人的债务，或用钱丁宁了他。
He finally paid off his mortgage loan.
他终究还清了房贷。
Experts have pointed out that in most cases, this is impossible.
专家指出，在大都环境下，这是不成能的。
point out在此暗示指出或说出某种究竟、毛病，也可暗示“指出，指明”，好比指出哪辆车是本身的车，point out my car。
in most cases暗示“大部门环境下”，case也就是“特定环境，事例，实例”的意思。暗示“在某种环境下”，咱们可以说in the case of；暗示“不管若何”，也就是无论在甚么环境下，则可以说in any case。
I will not move to big cities in any case.
不管若何我都不会搬去大都会。
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