It is reported that North Korea has conducted another underground nuclear test.

An earthquake early warning was broadcasted on TV.

Groundwater pollution has become a serious environmental problem.

I went to the station through the underground passageway.

He started studying the day before the exam, which was exactly a case of failing to make a timed preparation.

He gave me the cold shoulder.

He was able to find a solution from a difficult situation.

He said, 'See Naples and die,' and went on a trip to Italy.

I was surprised by his shabby clothes.

I came, I saw, and I won.