past a deceptive aspect of

She saw through their deception

used to indicate passage into and out of during a treatment, handling, or process

A thought flashed through my mind

used to indicate means, agency, or intermediacy: by means of; by the agency of

because of

The plan failed through lack of preparation

over or among the whole surface or extent of

There are little farms scattered through the valley

They searched through my papers

used to indicate movement within a large expanse

The ball flew through the air

used to indicate exposure to a set of conditions

He put her through hell

used to indicate completion, exhaustion, or accomplishment

He went through a fortune in a year

used to indicate acceptance or approval

She got the bill through Parliament

all the way from beginning to end

The train goes right through to London

to a favourable or successful conclusion

I failed the exam, but he got through

allowing a continuous journey from point of origin to destination without change or further payment

a through train

starting at and destined for points outside a local zone

through traffic