1、My doctor said I should vary my diet more
2、The book took ten years of thorough research
3、A number of theories have been proposed to explain the situation
4、They converted the spare bedroom into an office.
5、Things have changed a lot since I was a child
1、take... into account (=consider) 把……考虑进去
2、give sb. an account of 说明，解释(理由)
3、be acquainted with (=to have knowledge of)了解; (=to have met socially) 熟悉
4、abide by (=be faithful to; obey) 忠于;遵守
5、absence or mind (=being absent-minded) 心不在焉
1、in accordance with (=in agreement with) 依照，根据
2、(=at one’s own risk) 自行负责
3、(=by oneself) 依靠自己
4、accuse...of... (=charge...with; blame sb. for sth.; blame sth. on sb.; complain about) 指控，控告
5、be acquainted with (=to have knowledge of)了解; (=to have met socially) 熟悉
