470.nothing but 只有,不过……而已
471.to say nothing of (=not to mention) 更不用说……
472.do sth. at short notice 只给很少时间准备
473.until further notice 在另行通知前
474.take notice of (=pay attention) 注意
475.object to (=be opposed to) 反对
476.objection to (接动名词) 反对
477.on occasion (=now and then) 不时地,必要时
478.by occasion of (because of ) 由于
479.occupy oneself with (in) 忙于 (某事)
480.it occurs to sb. that... 某人想到……
481.once and for all = once and forever永远地
all at once (=suddenly, now) 立即,马上
once in a while (=occasionally) 偶尔
(just) for once就这一次
482.(all) by oneself 独自 (没有别人帮助)
483.operate on sb. 给某人做手术
operation n.come/ go into operation 开始运转
put/bring sth. into operation 使……投产,运转
484.be of the opinion 持有……的看法
485.in one’s opinion 按某人的看法
486.be opposed to... 反对……
487.be opposite to与……相反的
488.(be) in order (=acceptable) 合适的,恰当的in order井井有条,处于良好状态;out of order (=in bad condition) 出毛病,发生故障
489.made to order 定做的 (衣服)
490.originate in/from (=begin) 起源于,由……引起
491.on the outskirts (of) 在城郊
492.owe...to 把……归于……
493.on one’s own (=along, without help) 单独
494.of one’s own某人自己的
495.keep pace with 跟……齐步前进
496.go to great pains = take pains下功夫,努力
497.part with (=give up, sell) 舍弃,卖掉
498.participate in (=take part in) 参加
499.(be) particular about 讲究,挑剔 (吃,穿)
500.in particular (=especially) 特别是,尤其
501.(a) passion for 对……的热爱,热情
502.be patient with 对……耐心
503.pay for 赔偿,付款,报偿,处罚
504.pay……for 付……的钱
505.(be) at peace with 与……和睦相处
in peace (=peacefully) 安静,平安
506.peculiar to... 特有的,独具的
507.penalty for 对……的处罚,罚金
508.perform on the piano (=play the piano) 演奏钢琴
509.persist in 坚持,固执
510.in person 亲自,当面
511.in place (in right or proper place) 放在应放的地方
512.in place of (=instead of ) 代替
513.take (a) pleasure in 喜欢做某事
514.be on the point of doing sth. (=be about to do sth.) 刚要去做