★ matter
n.
① 事情;问题
I have a serious/an important matter to talk about.
我有件重要的事情要谈。
② 毛病;麻烦事:(只用单数，与the连用)
What＇s the matter (with you)?(你)怎么了?
③ 物质:
You can improve the soil by adding organic matter.
你可以通过施用有机肥料来改良土壤。
▲ a matter of:关乎…的事情
▲ no matter[与疑问词连用 无论;不管
You and I will always be friends, no matter what happens.
不管发生什么，你我永远是朋友。
▲ take matters into one＇ s own hands 亲自处理
vi
① 有关系;要紧
It doesn＇t matter to me which way you take.
你走哪条路我无所谓。
What matters most in learning English is enough practice.
学英语最重要的就是要有足够的练习。
It is what you do rather than what you say that matters.
重要的是你做了什么，而不是你说了什么。
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