rocker

名词 rocker:

1. an attendant who rocks a child in a cradle
2. a performer or composer or fan of rock music
   同义词：rock 'n' roll musician
3. a teenager or young adult in the 1960s who wore leather jackets and rode motorcycles
4. a chair mounted on rockers
   同义词：rocking chair
5. a trough that can be rocked back and forth; used by gold miners to shake auriferous earth in water in order to separate the gold
   同义词：cradle
6. an ice skate with a curved blade
7. a curved support that permits the supported object to rock to and fro

1. A punk rocker.
   庞克摇滚乐师
2. You must be off your rocker!
   你简直疯了！

rock.er

n.（名词）
One that rocks, as:
摇动的物体，如：
A rocking chair.
摇椅
A rocking horse.
木马，弹簧马
One of the two curved pieces upon which a cradle, rocking chair, or similar device rocks.
弧形弯脚：两块弯曲部分中装有摇篮、摇椅或类似装置且可来回摇动的任何一块
A cradle used for washing or panning ores.
淘金摇动槽：用于摇洗或淘洗矿砂的类似摇篮的框架
A small curved blade with a toothed edge used in mezzotint engraving to roughen the surface of the metal plate.
锯齿形篦板：一种用于金属板印刷雕刻术中打毛金属板面的带齿形刃的小弯刀
An ice skate with a curved blade.
弯刀冰鞋：底部有用于滑冰的冰刀的鞋
A curved stripe at the bottom part of a chevron worn by noncommissioned officers below the rank of sergeant.
弧形条纹：军衔低于中士的官配戴的山形臂章底部的弧形条纹
Music
【音乐】
A rock `n` roll song, singer, or musician.
摇滚乐歌曲、摇滚歌手或摇滚音乐家
A fan of rock `n` roll.
摇滚乐迷

<习惯用语>off (one`s) rocker【俚语】
Out of one`s mind; crazy.
神经失常；发疯