bulwark

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++bul·wark /ˈbʊlwək $ -wərk/ noun [countable]  1  PROTECTsomething that protects you from an unpleasant situation 保障；堡垒；保护物bulwark against a bulwark against dictatorship 反对独裁的堡垒2. bulwarks [plural]TTW the sides of a boat or ship above the deck 〔船的〕舷墙3. DEFENDa strong structure like a wall, built for defence 掩体，壁垒，堡垒

Examples from the Corpus

bulwark• This provides a necessary bulwark against the danger of an all-powerful state invading the individual's liberty.• Community is essential; it is the one bulwark against inevitable grief and loss.• Their cannon were very evident, as they closed, crews lining the bulwarks.• Over the bulwark of his body, Sylvie waved to Alexei.• Luch and Ruari had to supply ten pounds of wax, to polish the bulwarks.• His gnarled hands throttled the bulwarks.• Until then the security forces remain the ultimate bulwark against the breakdown of society.bulwark against• Politically, Japan became the main Asian bulwark against communism.Origin bulwark (1400-1500) Middle Dutch bolwerc, from Middle Low German, from bole “flat piece of wood” + werc “work”

bul·wark nounChineseSyllable  

something from you that situation Corpus an unpleasant protects

bulwark
bul‧wark /ˈbʊlwək $ -wərk/ noun [countable]1. something that protects you from an unpleasant situation
    bulwark against
    a bulwark against dictatorship
2. bulwarks [plural] the sides of a boat or ship above the deck
3. a strong structure like a wall, built for defence

bul·warkBrE /ˈbʊlwək/ 🔊NAmE /ˈbʊlwɜːrk/ 🔊 noun [usually singular] ~ (against sth) (formal) a person or thing that protects or defends sth 保护者，防御者（指人或事物）◆a bulwark against extremism坚决反对极端主义的人 [countable] a wall built as a defence 堡垒；防御工事 [usually plural] the part of a ship's side that is above the level of the deck （船的）舷墙