obstructs

"I always try not to interfere with other people’s personal affairs."

"The dry-stone wall used a large, flat through to support the top stones. "

"The heavy box fell and fallen to the floor. "

"My little brother likes to stay up late, so his bedroom is usually dark when I get home from school. "

"The intricate making of the model airplane showcased the student's skill. "

"A big obstacle to understanding the manual was that it had been poorly translated from the Japanese."

"The fallen tree obstructed the road, making it impossible to pass. "

"The heavy rain impeded the children's walk to school this morning. "

"A big obstacle to understanding the manual was that it had been poorly translated from the Japanese."

"Testing for the new antidote is currently in progress."

"The impossible of finishing the project by Friday became a reality when everyone worked late. "

"She struggled to play the difficult passages."