unbridled
/BrE ʌnˈbrʌɪd(ə)ld 
, AmE ˌənˈbraɪdld /
adjective
1 attrib Riding 无辔头的 ‹horse›
2 usu attrib figurative (unchecked) 不受约束的 ‹power›; 无节制的 ‹rage, jealousy›; 奔放的 ‹joy, passion, enthusiasm›
unbridled
English → Chinese
Oxford English–Chinese