be a long day coming—said of smth. that has taken long to materialize:
- The team’s achieving success by winning the division title has been a long day coming.
it’s going to be a long day—
1. said of a day perceived as long and boring:
- With nothing else to be done, and Steve’s not arriving before seven, it was going to be a long day.
2. said of a day that is going to be full of troubles:
- Jack overslept and was stalled in a traffic jam. By the time he arrived at the office, he knew it was going to be a long day.