名詞 rocker:

1. an attendant who rocks a child in a cradle
2. a performer or composer or fan of rock music
   同義詞：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
   同義詞：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
   同義詞：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.
   龐克搖滾樂(lè)師
2. You must be off your rocker!
   你簡(jiǎn)直瘋了！

rock.er

n.（名詞）
One that rocks, as:
搖動(dòng)的物體，如：
A rocking chair.
搖椅
A rocking horse.
木馬，彈簧馬
One of the two curved pieces upon which a cradle, rocking chair, or similar device rocks.
弧形彎腳：兩塊彎曲部分中裝有搖籃、搖椅或類(lèi)似裝置且可來(lái)回?fù)u動(dòng)的任何一塊
A cradle used for washing or panning ores.
淘金搖動(dòng)槽：用于搖洗或淘洗礦砂的類(lèi)似搖籃的框架
A small curved blade with a toothed edge used in mezzotint engraving to roughen the surface of the metal plate.
鋸齒形篦板：一種用于金屬板印刷雕刻術(shù)中打毛金屬板面的帶齒形刃的小彎刀
An ice skate with a curved blade.
彎刀冰鞋：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.
弧形條紋：軍銜低于中士的官配戴的山形臂章底部的弧形條紋
Music
【音樂(lè)】
A rock `n` roll song, singer, or musician.
搖滾樂(lè)歌曲、搖滾歌手或搖滾音樂(lè)家
A fan of rock `n` roll.
搖滾樂(lè)迷

<習(xí)慣用語(yǔ)>off (one`s) rocker【俚語(yǔ)】
Out of one`s mind; crazy.
神經(jīng)失常；發(fā)瘋