0 to be slower than (someone else) -- zůstávat pozadu
Hurry up! You’re falling behind (the others)
He is falling behind in his schoolwork.
1 (with with) to become late in regular payment, letter-writing etc -- zpožďovat se, být pozadu
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.
Můžeme to dokončit krok za krokem, ať je cesta jakkoli dlouhá, a nelze ji dokončit, ať je cesta jakkoli krátká, pokud si ani neoznačíte svou stopu.
