0 ill or needing care, especially for long periods and often because of old age: --
1 people who are ill for long periods: --
The old and the infirm are the most susceptible to this disease.
2 physically or mentally weak, esp. because of old age or illness --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.