to take up ou respond to a challenge
1take up the glove — respond to a challenge for a duel …
2Challenge-response spam filtering — A Challenge response (or C/R) system is a type of spam filter that automatically sends a reply with a challenge to the (alleged) sender of an incoming e mail. In this reply, the sender is asked to perform some action to assure delivery of the… …
3Challenge–response spam filtering — This article is about e mail. For other uses, see Challenge response authentication. A challenge–response (or C/R) system is a type of spam filter that automatically sends a reply with a challenge to the (alleged) sender of an incoming e mail. In …
4Challenge coin — Original USAF Airman s Coin. The obverse of a U.S. Marine Corps birthday ball medalli …
5challenge — I n. dare 1) to issue, send a challenge 2) to accept, respond to, take up a challenge 3) to meet a challenge 4) a formidable, real challenge 5) a challenge to (it was a challenge to our very existence) 6) a challenge to + inf. (it was a challenge …
6take — takable, takeable, adj. taker, n. /tayk/, v., took, taken, taking, n. v.t. 1. to get into one s hold or possession by voluntary action: to take a cigarette out of a box; to take a pen and begin to write. 2. to hold, grasp, or grip: to take a book …
7challenge — {{Roman}}I.{{/Roman}} noun 1 sth new and difficult ADJECTIVE ▪ big, considerable, enormous, great, huge, monumental, radical, real, serious, significa …
8challenge — n. & v. n. 1 a a summons to take part in a contest or a trial of strength etc., esp. to a duel. b a summons to prove or justify something. 2 a demanding or difficult task (rose to the challenge of the new job). 3 Law an objection made to a jury… …
9take — verb (past took; past participle taken) 1》 reach for and hold with one s hands. 2》 carry or bring with one; convey or guide. ↘remove from a place. ↘subtract. 3》 accept or receive. ↘understand or accept as valid. ↘submit to,… …
10respond — [[t]rɪspɒ̱nd[/t]] ♦♦ responds, responding, responded 1) VERB When you respond to something that is done or said, you react to it by doing or saying something yourself. [V to n] They are likely to respond positively to the President s request for… …
