重要词组

on time: 准时
oversight: 堪漏、失察
be credited with: 认为某人有某物
be right back: 马上回来
road kill: 公路事故
ahead of: 在…前面
deal with: 与…打交道
put an end to: 结束，使终止
throw down: 挑战
once and for all: 彻底地，一次了结地

语意表达：疏忽；忽略；失察If there has been an oversight, someone has forgotten to do something which they should have done.
句型操练：William was angered and embarrassed by his oversight...
威廉因为自己的疏忽而羞愤交加。
By an unfortunate oversight, full instructions do not come with the product.
由于一个不幸的疏忽，产品未能附上完整的说明。
句型出处：There has been an oversight with the programs.
有些小的疏忽。

语意表达：公然挑衅；大胆挑战If you throw down a challenge to someone, you do something new or unexpected in a bold or forceful manner that will probably cause them to reply or react equally strongly.
句型操练：The regional parliament threw down a new challenge to the central authorities by passing a law allowing private ownership of businesses...
地方议会通过了一项法律，允许企业私有，这向中央政权发起了新的挑战。
Government ministers have been responding to the challenge thrown down by their former colleague.
政府部长们一直在应对从前的同事的公然挑战。
句型出处：Your sorry ass. We’re throwing down.
你故意刁难我的做法。