Anglais ⇄ Espéranto +

challenge ['ʧælɪnʤ] n
génér.	defio; penigo; provoko; kontesti
challenge ['ʧælɪnʤ] v
génér.	defii
Anglais glossaire
challenge ['ʧælɪnʤ] n
	to make a formal objection to the qualifications of a potential jury or juror; Someone's right to object to or fight something in a legal case
milit., abrév.	chal
milit., logist.	Act of ascertaining the nature of a detected person, object or phenomenon and possibly even their nature or type. (FRA); Any process carried out by one unit or person with the object of ascertaining the friendly or hostile character or identity of another. (FRA)