all in the/a day's work

all in the/a day's work

To be considered a normal part of one’s job or routine. Traced back to the eighteenth century, the expression occurred with considerable frequency and was used both seriously and ironically: “As the huntsman said when the lion ate him” (Charles Kingsley, Westward Ho!, 1855).
See also: all, work
The Dictionary of Clichés by Christine Ammer
See also:
  • in clover, to be/live
  • last-ditch defense/effort
  • a full-time job
  • wouldn't touch it with a ten-foot pole
  • no spring chicken, (she's)
  • ladies'/lady's man
  • give a wide berth to, to
  • at (one's) doorstep
  • at doorstep
  • at somebody's expense