◙ noun 1. the alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun • 潮（汐） »the changing patterns of the tides. 不断变换的潮型。 »[mass noun] they were driven on by wind and tide. 他们被风和潮水越冲越远。 the water as affected by this • 潮水 »the rising tide covered the wharf. 上涨的潮水漫上了码头。 (figurative)a powerful surge of feeling or trend of events • [喻] 潮流，趋势；浪潮 »he drifted into sleep on a tide of euphoria. 他在一阵欣喜过后不知不觉入睡了。 »we must reverse the growing tide of racism sweeping Europe. 我们必须扭转日益高涨的种族主义席卷欧洲的势头。 ◙ verb 1. [no obj., with adverbial of direction] (archaic)drift with or as if with the tide • [古] 顺潮水漂浮；像潮水般涌流 (of a ship) work in or out of harbour with the help of the tide • （船只进港、离港时）顺潮航行
【IDIOMS】
【派生】
♦ tideless adjective
【语源】
1. Old English tīd 'time, period, era', of Germanic origin; related to Dutch tijd and German Zeit, also to time. The sense relating to the sea dates from late Middle English
【PHR V】
◘ tide someone over 1. help someone through a difficult period, especially with financial assistance • （尤指通过财政资助）使某人度过（困难时期） »she needed a small loan to tide her over. 她需要一小笔贷款以渡过难关。