rock

rock, stone, gravel, pebble

rock, sway, swing

名词 rock:

1. a lump or mass of hard consolidated mineral matter
   同义词：stone
2. material consisting of the aggregate of minerals like those making up the Earth's crust
   同义词：stone
3. United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984)
   同义词：John Rock
4. (figurative) someone who is strong and stable and dependable--Gospel According to Matthew
5. hard bright-colored stick candy (typically flavored with peppermint)
   同义词：rock candy
6. a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western
   同义词：rock 'n' roll, rock'n'roll, rock-and-roll, rock and roll, rock music
7. pitching dangerously to one side
   同义词：careen, sway, tilt

动词 rock:

1. move back and forth or sideways
   同义词：sway, shake
2. cause to move back and forth
   同义词：sway

1. The scandal rocked the government.
   这件丑闻把政府搅得十分狼狈。
2. He rocked back and forth in his rocking chair.
   他坐在摇椅里前后摇晃着。
3. The news of the president's murder rocked the nation.
   总统被暗杀的消息震惊了全国。
4. The ship struck on a rock and sank.
   船触礁沉没。

rock

n.（名词）
Relatively hard, naturally formed mineral or petrified matter; stone.
岩石，岩：相对坚硬的天然矿物或石化物质；石块（岩块）

A relatively small piece or fragment of such material.
矿砂，矿石：岩石的细小碎块
A relatively large body of such material, as a cliff or peak.
巨石：如悬崖或山峰等相对大的岩石
A naturally formed aggregate of mineral matter constituting a significant part of the earth`s crust.
聚合体：构成地壳重要组成部分的天然矿物的聚合体
One that is similar to or suggestive of a mass of stone in stability, firmness, or dependability:
支柱，靠山，庇护所：在稳定性、坚固性或可靠性方面类似于或使人联想起一堆石块的人或物：
例句：
The family has been his rock during this difficult time.
在这艰难时期，家庭是他的庇护所

rocks Slang Money.
rocks 【俚语】 钱
Slang A large gem, especially a diamond.
【俚语】 尤指钻石等大宝石
Slang Crack cocaine.
【俚语】 上等的可卡因

A varicolored stick candy.
彩色硬棒糖
Rock candy.
冰糖

<习惯用语>between a rock and a hard place
Confronted with equally unpleasant alternatives and few or no opportunities to evade or circumvent them.
面临同样令人不愉快的几乎没有机会逃避或克服的选择
on the rocks
In a state of difficulty, destruction, or ruin:
处于困难境、濒临毁灭或完蛋地：
例句：
Their marriage is on the rocks.
他们的婚姻濒于破裂

Without money; bankrupt:
一文不名；破产的：
例句：
Our accountant says the business is on the rocks.
我们的会计师说生意濒临破产

Served over ice cubes:
加冰块：
例句：
Scotch on the rocks.
加冰块的苏格兰威士忌酒

来源：
Middle English
中古英语
from Old North French roque
源自 古法国北方方言 roque
from Vulgar Latin *rocca
源自 俗拉丁语 *rocca

rock
rock 2

v.（动词）
rocked,rock.ing,rocks
v.intr.（不及物动词）
To move back and forth or from side to side, especially gently or rhythmically.
摇晃：尤指温柔地或有节奏地前后或左右摆动
To sway violently, as from a blow or shock.See Synonyms at swing
震动：如受了一击或震惊而剧烈地摆动参见 swing
To be washed and panned in a cradle or in a rocker. Used of ores.
洗出矿沙：在形似摇篮的框架或淘金摇动槽中摇洗或淘洗。用于指矿沙的摇洗
Music To play or dance to rock `n` roll.
【音乐】 奏摇滚乐，跳摇摆舞
v.tr.（及物动词）
To move back and forth or from side to side, especially in order to soothe or lull to sleep.
摇动，摇摆：尤指为安慰或使入睡而前后或左右摆动
To cause to shake or sway violently.See Synonyms at agitate
震动：使剧烈地震动或摆动参见 agitate
To disturb the mental or emotional equilibrium of; upset:
动摇，震撼：使精神上或感情上失去平衡；使不安：
例句：
News of the scandal rocked the town.
这一丑闻扰得全镇人都不安宁

To wash or pan (ore) in a cradle or rocker.
摇洗矿砂：在类似摇篮的框架或淘金摇动槽中摇洗或淘洗（矿砂）
In mezzotint engraving, to roughen (a metal plate) with a rocker or roulette.
拉毛：金属印刷雕刻中用锯齿形篦板或压花刀具打毛（金属板面）
n.（名词）

A rocking motion.
摇摆的姿势
The act of rocking.
摇摆的动作
Music Rock `n` roll.
【音乐】 摇滚乐

<习惯用语>rock the boat【俚语】
To disturb the balance or routine of a situation:
扰乱平衡或常规：
例句：
He has an easygoing managerial style and won`t rock the boat unless absolutely necessary.
他有一套很随意的经营作风，除非极有必要否则不会改变自己一惯的做法

来源：
Middle English rokken
中古英语 rokken
from Old English roccian
源自 古英语 roccian

【引伸】
rock.ingly
adv.（副词）