Fall behind
Meaning: to lag behind, to not do something fast enough, or not do something by a particular time
Example: Lucy's been falling behind in her homework again. The little boy fell behind the older boys.
Π‘Π΅ΡΠΈΠ°Π»Ρ ΠΈ ΡΠΈΠ»ΡΠΌΡ Π½Π° Π°Π½Π³Π»ΠΈΠΉΡΠΊΠΎΠΌ Ρ ΡΡΠ±ΡΠΈΡΡΠ°ΠΌΠΈ. +1 ΠΠ΅ΡΡΡ Π² ΠΏΠΎΠ΄Π°ΡΠΎΠΊ π
Example: Lucy's been falling behind in her homework again. The little boy fell behind the older boys.