68. on the basis of 根據(jù)…, 在…基礎(chǔ)上

　　69. beat…at 在…運(yùn)動(dòng)項(xiàng)目上打贏

　　70. begin with 以…開(kāi)始. to begin with (=first of all) 首先, 第一(經(jīng)常用于開(kāi)始語(yǔ))

　　71. on behalf of (=as the representative of) 以…名義

　　72. believe in(=have faith or trust in; consider sth./sb. to be true) 相信,依賴,信仰.

　　73. benefit (from) 受益,得到好處.

　　74. for the benefit of 為了…的利益(好處)

　　75. for the better 好轉(zhuǎn)

　　76. get the better of (=defeat sb.) 打敗, 勝過(guò).

　　77. by birth 在出生上,論出身,按血統(tǒng) at birth 在出生時(shí); give birth to 出生

　　78. blame sb. for sth. 因…責(zé)備某人 . blame sth. on sb. 把…推在某人身上

　　79. in blossom開(kāi)花(指樹(shù)木) be in blossom開(kāi)花(強(qiáng)調(diào)狀態(tài)) come into blossom開(kāi)花(強(qiáng)調(diào)動(dòng)作)

　　80. on board 到船上, 在船上, 上火車(chē)或飛機(jī)

　　81. boast of (or about) 吹噓

　　82. out of breath 喘不過(guò)氣來(lái)

　　83. in brief(=in as few words as possible)簡(jiǎn)言之

　　84. in bulk 成批地,不散裝的

　　85. take the floor 起立發(fā)言

　　86. on business 出差辦事.

　　87. be busy with sth.于某事。 be busy doing sth. 忙于做某事

　　88. last but one 倒數(shù)第二.

　　89. but for (=without) 要不是. 表示假設(shè)

　　90. buy sth. for…money 用多少錢(qián)買(mǎi)

　　91. be capable of 能夠, 有能力

　　be capable of being +過(guò)去分詞:是能夠被…的

　　92. in any case(=for love or money, at any rate, at any price, at any cost, whatever happens; anyhow)無(wú)論如何

　　93. in case (=for fear that) 萬(wàn)一;