0 If the sun beats down, it shines very strongly and makes the air very hot: --
The tropical sun beat down on them mercilessly.
1 (of sun) to shine very brightly or (of rain) to come down strongly: --
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.