Trough has several meanings
1.a long, narrow open container for animals to eat or drink out of.
eg The pig ate from the trough.
2.a channel used to convey a liquid.
eg The heavy rain made a trough in the hillside.
3.an elongated region of low barometric pressure.
eg A trough of low pressure will move onto the country over night.
4.a hollow between two wave crests in the sea.
eg The life boat was in a trough between two waves.
5.a region around the minimum on a curve of variation of a quantity.
eg The graph showed several peaks and troughs of activity.
by scribbling through a sentence Or by writing "The boy scribbled through his unsatisfactory sentence."
To get through the gate you have to use your identification.
i strided through the grass.
I enter through the door.
Example sentence - Think through carefully before you act unkindly.
He went rummaging through the attic.
The water was effluent through the river.
I like to saunter through the park.
"The deer were running through the meadow."
Example sentence - We walked through the park and found the lake.
I will just use a machete to hack a trail through the jungle to you.
She liked to thumb through the magazines at the doctor's office