burden
n.负担 vt.使……负担
Ever since his father passed away, John has shouldered the burden of raising his family.
约翰的父亲过世后，他就负起养家的重担。
I don't want to burden you with these matters; I can take care of them myself.
我不想让这些事造成你的负担；我可以自己处理。
major
a.大部分的；主要的，重要的 vi.主修（与in并用） n.主修科目
I have already seen the major part of the film.
这部电影的大部分我已经看过了。
He played a major role in the play.
他在这出戏中扮演一个重要的角色。
I majored in accounting in college.=I took accounting as my major in college.
我大学主修会计。
minor
a.轻微的；不重要的 vi.辅修（与in并用） n.辅修科目
Sue sustained only minor injuries in the fall.
苏跌倒时只受到轻伤。
He got his start with a minor part in a TV series.
他先是在某电视连续剧里饰演一个小角色这样起家的。
He minored in French.= He took French as his minor.
他辅修法文。
majority
n.大部分
The majority of residents on the island can only speak their own dialect.
这岛上大部分的居民只会说他们自己的方言。
minority
n.少数；少数民族
Only a minority of the voters approved the tax increase.
只有少数民族赞同这次的加税。
The white minority once ruled over South Africa.
白人少数民族曾统治过南非。
available
a.可利用的；可得到的；有空的（=free，以人作主语）
The church is available for weddings Monday through Saturday.
那间教堂星期一到星期六可用来举行婚礼。
Tickets are still available at the entrance.
入口处仍有售票。
Will you be available this afternoon?= Will you be free this afternoon?
你今天下午有空吗？
suggest
vt.建议；暗示
Frank suggested that we (should) leave early.
法兰克建议我们应该早点离开。
Alice's expression suggests that she's getting impatient.
爱丽斯的表情暗示着她不耐烦了。