1. South Korean soldiers rattled off 40 warning shots at the five troops who crossed the center line of the Demilitarized Zone.
2. He failed 7 exams in a row and just scrambled through the warning line of sending to a lower grade this semester.
3. warning line
3. Forecasters issued a hurricane warning for the Texas Gulf Coast from the Louisiana state line to near Corpus Christi.
4. Although current debts are yet to push China's overall debt level to the warning line, the country cannot afford to see them snowballing.
5. The entire mainstream of the river has exceeded the flood warning line.
6. It is lower than the warning line set by the European Union, he said.
7. The heavy rain sent the water level on the Yangtze River's small branches near the Three Gorges above the warning line.
8. The water level of the Wan River had gone about one meter above the warning line.
9. At Wulong monitoring station in Chongqing, the water level was three meters above the warning line.
10. Jiang said the percentage is not big, but already above the international warning line of 6 percent.