in no case 决不
in order to 为了
catch on 理解、明白
in order that 以便
catch up with追上、赶上
out of order 发生故障、混乱
by chance 偶然、碰巧
put in order 整理、检修
take a chance 冒险一试
every other 每隔一个
in charge of 负责、主管
other than 除了
take charge of担任、负责
over and over 一再、再三
check in 办理登记手续
owing to 由于
check out 结账后离开、
on ones own 独自的.、独立的
check on 校对、检查、
keep pace with 跟上、与同步
cheer up 使高兴、使振奋、高兴起来、
take pains 尽力、煞费苦心
in chorus 一齐、一致、共同
