Be harmful to sth
物───matter;有害───Harmful
Energy transmutes into matter.───能量变成物质.
He is attending to the matter himself.───他正在亲自办理这件事.
It is a matter of great public interest.───这是一个公众普遍关心的问题.
The matter is under investigation.───此事正在调查中。
We must inquire into the matter.───我们必须调查此事.
Is it worthwhile getting angry over such a trifling matter?───为这点小事犯得着生气 吗 ?
The entire world consists of matter.───整个世界都是由物质组成的.
This is a serious matter ; let's not joke about it.───这是正经事,可别打哈哈.
I had no choice in the matter.
What on earth is the matter there?
The matter will be decided by vote.
No matter how far we will be very good.
It's a matter of personal preference .