第十五组
lose heart 丧失勇气，失去信心
get/learn by heart 记住，背诵
get hold of 抓住，掌握
keep house 管理家务，做家务
throw/cast light on 使明白，阐明
bear/keep in mind 记住
have in mind 记住，考虑到，想到
make up one’s mind 下决心
come/go into operation 使投入生产，使运转
put in order 整理，检修
keep/hold pace with 跟上，与……同步
play a part 起作用
take place 发生，进行
take the place of 代替
come to the point 说到要点，扼要地说
bring/carry into practice 实施，实行