屈指可数 can be counted on one's fingers; very few; can be counted on the fingers of a [one] hand -- not many; may be counted by bending the fingers; only a few to count 他的日子屈指可数了。his days are numbered
A few days later , i suddenly realized that it was my birthday that day and master had arranged a wonderful day for me 几天以后屈指一算,原来那一天正是我的生日,而细心的师父默默地为我安排美好的一天。