coast
UK [kəʊst] US [koʊst] noun countable
ESSENTIAL
■the land next to or close to the sea 海岸；沿海地区•Rimini is a thriving holiday resort on the east coast of Italy.里米尼是义大利东岸一个繁华的渡假胜地。 •The accident happened three miles off the coast (= in the sea three miles from land).意外发生在距离海岸三英里的海域。 •We spent a week by/on the coast (= by the sea).我们在海滨渡过了一个星期。 coast to coast
■from one side of the country to the other 从（一国的）此岸到彼岸•We travelled across America coast to coast.我们的旅程横跨美国东西海岸。 ■mainly US
■in every part of a country 全国各地•The visiting politician received coast-to-coast media attention.来访的政客受到全国媒体的关注。
UK [kəʊst] US [koʊst] noun countable
the coast is clear
■it is safe to do something or go somewhere because no one is watching or listening who would prevent you or catch you 已无危险；没有被发现（或抓住）的危险•You can come out now, the coast is clear.现在你可以出来了，危险已经过去。
UK [kəʊst] US [koʊst] verb intransitive
■to move forward in a vehicle without using the engine, usually down a hill （通常指下山时凭借惯性）滑行，下滑•At the top of the hill I switched off the engine and we just coasted down the other side.在山顶，我关上引擎，我们就沿着另一侧的山坡顺势滑行。 ■to progress or succeed without any effort or difficulty 毫不费力取得进展；轻而易举取得胜利•While I struggled, my sister coasted through school with top grades.上学时我总觉得很吃力，而我妹妹却一路学得轻轻松松，成绩一直很优异。 |