WORD OF THE WEEK

CHALLENGE=
challenge (DIFFICULT JOB) noun [C or U] :(the situation of being faced with) something needing great mental or physical effort in order to be done successfully and which therefore tests a person's ability;
challenge verb [T]: to test someone's ability or determination
challenging adjective: difficult, in a way that tests your ability or determination

(from Cambridge Advanced Learner's Dictionary)

"A life without challenges would be like going to school without lessons to learn."

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