spell /spél/ n1. a period of time n2. magic words that are supposed to make a person or thing change shape, disappear, etc. v1. to write o...
a couple two things or people of the same kind: a small number of things a good［great］ deal a large quantity of something [= a lot] a pile...
concurrence /kənkə':rəns/ n. agreement concurrent /kənkə':rənt/ adj. occurring or acting together condition /kəndíʃən/ n. the sta...
viable /váiəbl/ adj. effective and able to be successful vibrant /váibrənt/ adj. energetic, bright, and full of life or excitement vice pres...
worthwhile /wə`:rθ(h)wáil/ adj. useful and enjoyable, despite needing a lot of effort worthy /wə':rði/ adj1. deserving respect, admirati...
flexible /fléksəbl/ adj. not rigid, able to change easily flight /fláit/ n. flying; aviation; trip on an airplane; escape floor /flɔ'...
i.e. abbr. that is to say (Latin); for example; for instance I.O.U. abbr. signed note acknowledging a debt I.P.O. abbr. first offering to...
jeopardize /ʤépərdàiz/ v. to endanger; to place in danger; to imperil; to put at risk jeopardy /ʤépərdi/ n. danger; peril; hazard; risk; e...
challenge /ʧæ'linʤ/ n. difficult situation; something which tests one's ability to handle difficult tasks challenge /ʧæ'linʤ/ ...
attribution /æ`trəbjú:ʃən/ n. the act of saying what the origin or cause of something is auction /ɔ':kʃən/ n. a public meeting where l...