sneak snake

sneak [sni:k]
[过去式sneaked 或 snuck 过去分词sneaked 或 snuck 现在分词sneaking ]
to go somewhere secretly, or to take someone or something somewhere secretly
to secretly tell someone in authority, especially a teacher, that someone else has done something bad, often in order to cause trouble
a person who tells people in authority when someone else does something bad
vi. 溜；鬼鬼祟祟做事；向老师打小报告
vt. 偷偷地做；偷偷取得
n. 鬼鬼祟祟的人；偷偷摸摸的行为；告密者

例句
I didn't notice Tom sneaking up behind me.
我没有注意汤姆从我后面偷偷走了上来。
The boy sneaked all the candies he could.
男孩把他能偷到的糖果全偷走了。
He sneaked a watch into his pocket.
他偷偷地将一只表塞进口袋。

绯闻女孩第2季第19集
Security check? I can't even put my lipstick in here.
What could I possibly be trying to sneak in?
安检?我连口红都不能带。
怎么可能偷偷溜进去？

绯闻女孩第3季第12集
Secret missions sneak out.
And only sleeping beauty finds her prince.
秘密逐渐浮现。
只有睡美人找到了她的王子。

current currency excursion concur incur incursion

course [kɔ:s] cur＝to run（流；跑）
the direction in which a vehicle, especially an aircraft, spacecraft or ship, moves, or the path along which a river flows
to flow quickly or in large amounts
n. 道路
v(液体)流动

current ['kʌrənt]
happening now; of the present time
being used by or accepted by most people
the movement of water in the sea or a river; the movement of air in a particular direction:
the flow of electricity through a wire, etc
the fact of particular ideas, opinions or feelings being present in a group of people:
adj. 现在的；流通的，通用的；最近的
n. （水，气，电）流；趋势；涌流

例句
Our current methods of production are too expensive.
我们现今用的生产方法太花钱了。
This view was current in the country.
当时这种看法在这个国家很流行。
The military government failed to control the current of public opinion.
军人政府未能控制舆论的动向。
The current in this place is very rapid.
这儿的水流很急。

currency ['kərənsi]
the system of money that a country uses
the fact that sth is used or accepted by a lot of people
n. 货币；通货；通用,流通;流传,传播

例句
These ideas have gained wide currency.
这些思想已广泛传播。

excursion [ik'skə:ʃən]
a short journey made for pleasure, especially one that has been organized for a group of people
deviation from a direct, definite, or proper course
n. 偏移；远足；短程旅行；远足队,旅游团；离题

例句
We are planning for our excursion next week.
我们正在为下周的远足作准备。
Your comments are an excursion from the major theme.
你的话偏离了主题。

concur [kən'kə:]
to agree with someone or have the same opinion as someone else:
If two or more events concur, they happen at the same time
To act together; cooperate
vi. 同意；一致；同时发生；凑在一起(产生某种情况)，共同起作用

例句
The brothers rarely concur on any issues.
他们兄弟在任何问题上都很少有一致的意见。
Wealth and happiness do not always concur.
财富与幸福并非总是并存的。
Everything concurred to produce the desired effect.
所有的事凑合在一起产生了预期效果。

incur [in'kə:]
if you incur sth unpleasant, you are in a situation in which you have to deal with it
vt. 招致，引发；带来；受到，遭受

耶鲁公开课 - 金融市场课程节选
You have to have the insurance company set up with a structure itself that guarantees that they have enough reserves to meet the losses that they might incur.
你得保证保险公司的设立是基于以下前提,即它能保证拥有足够的储存资金,以便用来拟补有可能发生的损失。

incursion [in'kə:ʃən]
a sudden attack on or entry into a place, especially across a border
the sudden appearance of sth in a particular area of activity that is either not expected or not wanted
n. 入侵；侵犯

例句
They were outraged by our incursion into Cambodia.
他们对我们入侵柬埔寨感到愤慨。