mostly
adv.主要地
John succeeded mostly because he worked hard and had great ambition.
约翰能够成功主要是因为他努力工作又有强烈的企图心。
commit
vt.犯（罪）；奉献
Lucas committed a serious crime and was sentenced to life imprisonment.
路卡斯犯下重罪，被判无期徒刑。
Sherry commits an hour every day to learning English. =Sherry devotes an hour a day to learning English.=Sherry dedicates an hour a day to learning English.
雪莉每天拨一小时研读英文。
Mr. White has committed himself to teaching over the past 20 years.
怀特先生过去20年来都献身于教育。
committed
a.致力的
The new research center is committed to finding a cure for AIDS.
这家新的研究中心致力于找出治疗爱滋病的方法。
characteristic
n.特征 a.典型的（与介词 of 并用）
John is characterized as a man of principles.
约翰这个人的特征就是很有原则。
Genes determine the characteristics of every living thing.
基因决定了每样生物的种种特征。
This usage is characteristic of American English.
这种用法是美式英语的特征。
retire
vi.退休；睡觉，休息
Jack retired from the military after 30 years of service.
在军中服役30年后，杰克退休了。
When did you retire last night?=When did you go to bed last night?
你昨晚几点睡觉？
retired
a.已退休的
Both Peter's parents are retired doctors.
彼得的双亲都是已退休的医生。
retirement
n.退休
Ted became a volunteer after his retirement from business.
泰德自企业界退休后就成了一名热心公益的义工。
furnish
vt.配备家具；提供
I will not move into the house until it is fully furnished.
房子要到家具配置奸之后我才会搬进去。
This company furnishes you with all the equipment you'll need for camping.=This company provides you with all the equipment you'll need for camping.
这家公司提供你露营所需的一切装备
approve
vt.批准，核可 vi.赞同（与of并用）
The manager didn't approve our plan.
经理没有核准我们的计划。
Father does not approve of our staying up late at night.
老爸不赞同我们熬夜。
approval
n.赞成，同意
The board of directors gave Bill final approval of his plan.
董事会最后同意了比尔的计划。