解释几个英语单词chewing的原型（作动词）及含义,enterprising ,bold做形容词时的含义,opposite的读音

chew
/ tʃuː; tʃu/ v
[I, Tn, Tn.p] ~ sth (up) work or grind (food) between the teeth 嚼碎或咀嚼（食物）: Chew your food well before you swallow it. 食物要先嚼烂再下咽.
enterprising adj
having or showing enterprise(2)有事业心的; 表现出进取心的; 有胆量的: an enterprising young man 有进取心的年轻男子 * She may not have been the cleverest candidate but she was certainly the most enterprising. 她就算不是最聪明的候选人, 也肯定是最有事业心的
bold
/ bəuld; bold/ adj (-er, -est)
confident and brave; daring; enterprising 自信和勇敢的; 大胆的; 有进取心的: a bold warrior 无畏的战士 * bold plans, tactics, etc 大胆的计划、 战术等 * a bold scheme to rebuild the city centre 重建城市中心的大胆规划.
(dated 旧) without feelings of shame; immodest 无耻的; 无礼的: She waited for him to invite her to dance, not wishing to seem bold. 她等他邀请她跳舞, 而不愿显得失慎.
clearly visible; distinct; striking; vivid 显而易见的; 轮廓清楚的; 突出的; 生动的: the bold outline of a mountain against the sky 天空衬托出山的清楚轮廓 * bold, legible handwriting 醒目而清楚的字体 * She paints with bold strokes of the brush. 她用雄健有力的笔触绘画.
printed in thick type 用粗体印刷的: The headwords in this dictionary are in bold type. 本词典的词条用的是粗体字.
opposite
/ ˈɔpəzɪt; ˋɑpəzɪt/ adj