| 单词 | off one's rocker | 
| 释义 | rockernoun  rock·er  ˈrä-kər  1  a    : either of two curving pieces of wood or metal on which an object (such as a cradle) rocks    b    : any of various objects (such as a rocking chair or an infant's toy having a seat placed between side pieces) that rock on rockers    c    : any of various objects in the form of a rocker or with parts resembling a rocker (such as a skate with a curved blade)    d(1)    : any of the curved stripes at the lower part of a chevron worn by a noncommissioned officer above the rank of sergeant    (2)    : the curved stripe at the upper part of a chevron worn by a chief petty officer   2   : any of various devices that work with a rocking motion   3   : a rock performer, song, or enthusiast   off one's rocker phraseas in insanehaving or showing a very abnormal or sick state of mind Not sure if the daredevil is courageous or off his rocker for trying such a stunt. Synonyms & Similar Words Relevance 
 Antonyms & Near Antonyms 
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