By a hair
Meaning: just barely, by a very small distance, by a very small amount (aslo, by a hair's breadth, by a whisker)
Example: Last time she raced against the Brazilian, she won by a whisker.
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: Last time she raced against the Brazilian, she won by a whisker.