R49. regret-R50. regular

regret

构词：re（= back 回头，返回）＋gret（= grief 悲伤）

回想时悲伤 v. / n. 后悔；遗憾；抱歉

相关：greet，groan，grieve，grief，grave

搭配：regret it / inconvenience / to inform / what I said / that...；express my regret（at...），have no regret，with great regret，to one’s regret，much to the regret of someone

考点：应用文写作—道歉信 

regret to inform you that...，feel sorry to / for ，apology，apologize

make mistake，forget，cause trouble / inconvenience，make it up

regular，regulate，regulation

构词：reg（规律）＋ul（过渡衔接音节）＋ar（adj.）

规律的 adj. 有规律的；通常的

相关：regime，regal；rigorous，rigid；direct，correct，rein，rule

搭配：regular meeting / exercise / occurrence / employment / duty / income / place / customer，on a regular basis；

regulate the Internet / a company / competition / temperature / climate

safty / fire / building / strict regulation， under the regulations

近义：normal，common，usual，ordinary，typical，routine

考点：普遍与特殊对立，同义替换