coast1/kost; kəʊst/n [C]1 the land next to the sea 海岸: +of the west coast of Africa 非洲西海岸on the coast They’ve rented a cottage on the coast. 他们租了栋海滨小屋。off the coast (=in the water near the land) 近岸的 a small island off the coast 一座近岸小岛see box at见 SHORE1 方框2 the coast is clear if the coast is clear, there is no one around in a place, so no one will see you or catch you 没有危险〔指没有人会看到或抓到你〕
coast2v [I] 1 to achieve something without effort 不费力地成功: +to He coasted to an easy victory. 他轻松获胜。 2 to move forward without using the engine of a car〔汽车〕靠惯性滑行