521. in the position of 处在…位置上
522. in practice 实际上(状语);业务熟练(表语)
523. be(get) out of practice 荒疏,不熟练
524. bring(put)…into practice使…成为现实
525. prefer…to… (choose rather, like better) 宁要, 更喜欢
526. prepare for breakfast 准备吃早饭 ;prepare breakfast 作早饭
527. in the presence of 在…在场的情况下
528. for the present(=for the time being, for now)暂且,就现在来说; at present现在,此刻
529. preside over / at 主持(会议,业务等)
530. prevail over 占优势, 压倒, 战胜
531. prevent…from 使…不, 防止…做
532. previous to (=prior to) 在…之前
533. take pride in(=pride oneself on) 以…自豪
534. pride oneself on / upon 以…自豪
535. in principle (=only in regard to the main idea) 原则上
536. prior to (=before) 在…之前
537. in private (=privately) 私下, 秘密地;in public 公开地
538. proceed from (=arise from, result from) 由…发出, 由…引起(产生)
539. proceed with ( =begin and continue sth.) 继续进行
540. in progress(=in the state of be done)进行中
541. prohibit…from (=forbid) 禁止, 阻止
542. in proportion to 与…成比例
543. protect…from 阻止..不受,保护不受
544. be proud of 为…自豪
545. provide for 为…做准备
546. in public 公开地, 当众
547. on purpose(=by intention, deliberately)故意
548. to the purpose (=useful for one’s purpose)得要领的, 中肯的
549. be 1 in 在某种科目或学科上合格;be qualified for 在某种职业上合格
550. call…in question 对…表示怀疑
551. beyond (all) question (=without question) 毫无疑问
552. out of the question (=impossible)不可能的
553. in question (=under discussion)所谈及的;
554. without question 毫无疑问
555. be caught in the rain 被雨淋了
556. at 2 (=without aim or purpose) 随便地, 任意地, 胡乱地
557. range over (=cove, include) 范围包括
558. range between 范围在..与..之间不等
559. at any rate (=at all events)无论如何,总之
560. beyond the reach of 无法达到(得到,理解)