(1)to one's regret 让某人遗憾的是

regret to do sth 为要做的事感到遗憾(未做)

regret doing sth 为做过的事感到遗憾、后悔 (已做过)

have no regrets 没有遗憾

with great regret 非常遗憾

(2)regretful adj. 后悔的；失望的 考点4．focus n．焦点；中心点v.集中；聚集

【教材原句】They focus on keeping their soil rich and free of disease.他们把重点放在使土壤肥沃并且免于病害。

【归纳拓展】

focus on集中(注意力、精力等)于

focus one's attention/mind/energy on

集中注意力/心思/精力于

the focus of attention关注的焦点

bring...into focus使......成为焦点

in focus对准焦点；清晰

out of focus没有对准焦点；不清晰

考点5． reduce vt.减少；缩减

【教材原句】A healthy soil reduces disease and helps crops grows strong and healthy.健康的土壤减少病害并且帮助庄稼长得健康强壮。

【归纳拓展】

reduce...to...把......降至

reduce...by...把......减少了

reduce one's weight减肥

be reduced to despair陷入绝望

be reduced to doing sth.被迫做某事

make a reduction减价