2016年
6月第一套
factor of 50
五十倍
many of...
表示of后面指代的群体的大部分，of后面的名词需要有冠词；而many仅仅指很多的意思
Many of the remedies are well-known.
if not
不然，或者，要不
It says tropical storms formerly claimed dozens, if not hundreds of lives, each year, in Cuba.
an absence of
缺乏...（和中文表达不一样，不容易理解）
Researchers at Duke University scrutinized more than 160 published studies and found an absence of strong evidence that any of these approaches can make a big difference.
杜克大学的研究人员详细检查了160多项公开的研究，他们发现没有有力的证据能够证实上述任何一种方法能帮助降低认知能力衰退。
given that
只要是，考虑到；假定，已知
12月第一套
rolling plain
起伏的平原
in a sense
But in a sense, he was right.
small wonder
Small wonder it was used as a setting in The Godfather, in 197
freedom from
They are not campaigning for freedom from hunger or poverty.
zero in on
He raised the binoculars again and zeroed in on an eleventh-floor room.
dwell on
Do not dwell on past slips and relapses because they are in the past and we cannot change the past.
at a time
We had to go and see the principal one at a time.
arise from
Requirements problems often arise from a lack of understanding of context.
as a whole
The festival will be great for our city and for the country as a whole.
all year round
Adding insulation can help keep your home comfortable all year round.
every couple of
The timer is what fires every couple of seconds to look for new messages from the server.
overheads
We are having to cut our costs to reduce overheads and remain competitive.
keep up with
She did not bother to keep up with the news.
She shook her head and started to walk on. He kept up with her.
up to date
//...Germany's most up to date electric power station.
We'll keep you up to date with any news...
in much the same way as
They could share the cost of upgrading in much the same way as, let's say, an intranet operates within large organizations.
12月第二套
beat the odds (of)
Amid current financial crisis, job opportunities are slimming down, but one man in U.S. is determined to beat the odds by trying 50 jobs in 50 states.
give in (to)
I pressed my parents until they finally gave in and registered me for skating classes...
give out
There were people at the entrance giving out leaflets.
One of his lungs gave out entirely.
give rise to sth
The novel's success gave rise to a number of sequels.
in their best interest
基于他们的最大利益
2018年
6月第一套
How does that sound？
你觉得怎么样？
apple of their parents' eyes
父母的掌上明珠
6月第二套
minute形容词用法
非常细小的、十分微小的
got used to
与be used to相同：习惯于...
right out of college
大学刚毕业
2019年
9月第一套
wrap up
包裹起来；圆满完成
12月第二套
slave away(over)
努力工作
start over
=start again 重新开始
change hands
转手
The house has changed hands several times.