This is the 10593rd most frequent Russian word.
вникнуть
To delve into or comprehend thoroughly.
In this sentence, 'вникнуть' suggests thoroughly understanding or analyzing the content of the lecture.
Учитель попросил студентов вдумчиво вникнуть в материал лекции.
The teacher asked the students to thoughtfully delve into the lecture material.
Here, 'вникнуть' means to deeply comprehend the specifics of the situation to grasp its core.
Чтобы понять суть проблемы, нужно вникнуть в детали.
To understand the essence of the problem, one needs to delve into the details.
In this sentence, 'вникнуть' implies the effort to understand instructions thoroughly for accurate execution.