(かれら) (pn,adj-no) they (usually male); them; (P) [EDICT]
(あれら) (n,adj-no) (1) (uk) (See 彼・あれ・1) those (indicating something distant from both speaker and listener, or something understood without naming it directly); (2) (arch) they (of people) (used to refer to one's equals or inferiors) [EDICT]
は
(葉) ใบไม้ [LongdoJP]
() (int) (1) (pol) yes; (2) OK (used to get attention prior to an utterance); okay; (3) giddy-up; giddap; (P) [EDICT]
(rèn wu, ㄖㄣˋ ㄨ˙) mission; assignment; task; duty; role [CE-DICT]
を
() (prt) (arch) (See を) marks object of action, etc. (also adds emphasis) [EDICT]
成し遂げる
(なしとげる) (v1,vt) to accomplish; to finish; to fulfill; (P) [EDICT]
た
() (aux-adj) (1) (after the -masu stem of a verb) want to ... do something; would like to ...; (prt) (2) (kyu [EDICT]
() (exp) (abbr of ...ていたの) (See 乃・の・5,わ) (usu. sentence end) indicates emotion, admiration, emphasis, etc. [EDICT]
() (aux-v) (after a noun, usu. as 〜たる者, etc.) (See たり,たるや) (those) who are; (that) which is; often used in relation to qualifications and requirements for a position; in the capacity of [EDICT]
() (suf) (m-sl) (fam) (fem) (See ちゃん) (cute) suffix for familiar person [EDICT]
(他) (n-adv,n,adj-no) other (esp. people and abstract matters); (P) [EDICT]