adamant

adj. 强硬的，固执的

actuate, acuity, acumen, acupuncture, acupuncturist, acute, acute angle, acute mark, acutely, acuteness, AD, ad hoc, ad infinitum, ad lib, ad nauseam, ad-lib, adage, adagio, Adam, Adam's apple, adamantly, adapt, adapt oneself to, adapt to, adapt...to, adaptability, adaptable, adaptation, adaption, adaptive, adaptor, ADC, add, add sth. to sth., add up, add up to, addendum, adder, addict, addicted,