matter/ 'mætər /

1.noun [c] 
(affair,situation,problem) 事件

Will you report the matter to the authorities?
你会将该事件报告给当局吗?
2.noun [u] [物] 
物质

An atom is the smallest indivisible particle of matter.
原子是最小的不可分的物质微粒。
3.noun [u] 
waste/vegetable matter 废物/植物

4.vi.
(be important) 要紧

Your happiness is the only thing that matters.
你的幸福是惟一要紧的事。
5.n pl
matters 事态

It is hard to see how this would improve matters.
很难看出这会对事态有怎样的改善。
what's the matter (with...)?
(…)怎么了?
in a matter of days/weeks
仅几天/几周
as a matter of urgency {or} priority
作为紧急{或}优先考虑的事情
no matter what
不管发生什么
another {or} a different matter
另一回事
it is only a matter of time
这仅仅是时间问题
as a matter of course
理所当然的事
as a matter of fact
事实上
for that matter
而且
no matter how/what/who
不管怎样/无论什么/无论谁
it doesn't matter
没关系