This is a very serious matter.
"Danfo" is a very serious matter.
Betraying your spouse's trust is a serious matter.
Used at the beginning of a sentence when turning to a serious matter
Regional inequalities, then, are a serious matter, and Beijing's leadership is at last beginning to wake up to them.
In many countries, where people go to college and what degrees they hold is a serious matter affecting job prospects and social standing.
Never jest about serious matters.
This is a serious matter.
Police brutality is a serious matter.
清晨的公园里已经是人们欢乐的海洋，很多爷爷、奶奶已经在锻炼身体了。
In other days Pork's pilfering would have been a serious matter, probably calling for a whipping.
In this its own can not explain and determine the state of mind, I can not do a good job in a serious matter since the beginning of their own.
Tax fraud and evasion are serious matters.
Stop giggling, children; this is a serious matter.
Be careful what you say, old boy, for this is a serious matter.
So far,my husband has not been in this serious matter with irrefutable facts and the responsibility completely resting on the ,you are too cowardly to voice an “ apology” and have been trying to shirk your responsibility repeatedly and defame my husband groundlessly.
I regard this as a serious matter.
That most of languages are now threatened and may disappear is a serious matter to the people.
Escaping a fire is a serious matter.
We once thought that leaving home and going to live in another city, without local accounts, is a very serious matter.
no big deal(not important, no problem, not a serious matter)
Never joke about serious matters.
Do not treat this serious matter as a joke.
