flow of time;  flux of time;  lapse of time;  current of the times;  trend of the times
 man of the hour;  woman of the hour
 (a matter of) chance;  fortune (of a given time);  force of the times
 danger past, God forgotten
 person who turns up at the right moment to help
 lesser cuckoo (Cuculus poliocephalus)
 turning to God only in one's trouble
 people look friendly when they ask for a loan but not so much when they repay it; (lit.) when borrowing (the money), the face of the (bodhisattva) Kshitigarbha; when returning it, the face of the (hell king) Yama
 infectious disease;  plague;  epidemic