ADJ

scent
Ants follow a scent trail laid down previously
blood, smoke, vapour
thin
muddy
false

VERB + TRAIL

lay, leave, make
The couple laid a false trail to escape the paparazzi. The tourists left a trail of litter behind them
pick up
The dog had picked up the trail of a rabbit
follow
lose
The fox had crossed a stream, and the hounds lost the trail

TRAIL + VERB

go cold
They had to find the kidnappers before the trail went cold

PREP

on sb's ~
Detectives had found several new clues and were back on the murderer's trail

PHRASES

a trail of blood, a trail of devastation
The hurricane passed, leaving a trail of devastation in its wake
a trail of smoke

ADJ

forest, nature, woodland
10-kilometre, 5-mile, etc.
cycle, mountain bike, tourist, walking
hippy, tourist
This restaurant is off the tourist trail
campaign, comeback, winning (all figurative)
After a disastrous few seasons, the team are on the comeback trail

VERB + TRAIL

follow, hit
In 1967 she hit the hippy trail to India
be on (often figurative)

TRAIL + VERB

go, lead, wend its way
The trail wends its way through leafy woodland and sunny meadows

PREP

along a/the ~

ADV

slowly
wearily

PREP

after
I trailed wearily after the others
around/round
They spent their lives trailing around the country
(along) behind

ADV

badly
Liverpool are now trailing badly in the league

PREP

by
They were trailing by 12 points until the last few minutes of the game