rock1/rɑk; rɒk/n 1 [U] the hard substance in the Earth's surface that cliffs and mountains are made of [→ stone] 岩石: Pluto is made of ice and rock. 冥王星由冰和岩石构成。a tunnel cut through solid rock 凿穿坚硬岩石建成的隧道2 [C] a large piece of stone 大石块﹐岩块: Jack stood on a rock for a better view. 杰克站在一块大石头上想看得清楚些。The storm drove their ship onto the rocks (=a line of rocks under or next to the sea). 风浪把他们的船卷到礁石上。3 also 又作 ˈrock music [U] a type of popular modern music with a strong loud beat 摇滚乐: a rock band 摇滚乐队a rock concert 摇滚乐音乐会Their music is a mixture of rock and disco. 他们的音乐是摇滚乐和迪斯科乐曲的结合。see box at见 MUSIC 方框4 be on the rocks a relationship or business that is on the rocks is having a lot of problems and will probably fail soon〔关系〕濒临破裂﹔〔企业〕濒临破产: I’m afraid Tim's marriage is on the rocks. 蒂姆的婚姻恐怕是就快破裂了。
rock2v 1 [I,T] if something rocks, or if you rock it, it moves gently from side to side [→ sway](使)来回摆动﹐(使)摇摆: Jane sat rocking the baby. 简坐着﹐把宝宝轻轻地摇来摇去。The boat rocked slowly. 小船缓缓地摇晃。2 [T] written to shock and frighten a large number of people【书面】使震惊: a city rocked by violence 被暴力震撼的城市3 rock the boatinformal to upset people in a group by criticizing or trying to change something that everyone else is satisfied with【非正式】捣乱﹔惹麻烦