one step ahead

Translations
на шаг впереди
The detective was always one step ahead of the criminal.
Детектив всегда был на шаг впереди преступника.
Definitions
Being more prepared, advanced, or knowledgeable than others in a particular situation; anticipating what will happen next and acting before others do.
Words
step

noun
шаг
one

pronoun
один
one

adjective
какой-то
ahead

adverb
впереди
one

numeral
один