85. on credit　 赊账

84. Labour creates the world.　 劳动创造世界。　　　 create many characters 创造许多人物

create a bad impression　 产生很坏的影响

83. You are crazy to do such things. 发疯的；不切实际的　

be crazy about/on sth　　 着迷…　　　 He is crazy about dancing.

82.crawl爬，匍匐前进　 　a snake crawling along the ground

　　　　　　　　　　 A baby crawls before it can walk.

81. The course of our life is from our birth to our death. …过程…　

complete my college course　　 课程　　　　 in / during the course of 在…期间　

80. have the courage to do　　 有勇气去干…　　　 lose courage　

79. at a low cost　 成本　 it cost sb time/money to do... 花费　　 sth cost sb money　 值　 　

The accident cost him his life. 使…为代价

78. in the corner of ,　 at/on the corner of ,　 around the corner　　 The shop is around the corner.　 Christmas is around the corner .圣诞将近。(=at hand = near)　　　 be in a tight corner

drive sb into a corner = corner sb 使…处于困境

77. tell lies 说谎　　　 talk nonsense 胡说　　　　 talk business　 说正紧事

76. at one's convenience　　 在…方便时　

It is convenient to sb...　 It is convenient for sth...　　 It is convenient for sb to do...