rush hour

confusion, traffic congestion, crowds

be crowded

time / an event, case, occasion, moment; a specific period in time / a time of something / a season / a tense / (literary) the time during which a narrative takes place

rush / Short for ラッシュアワー (rasshu awā, “rush hour”).

an electric multiple unit train

extraordinary, unusual

emergency

very; extremely / exceedingly; tremendously

time of..., time for...