Question: Sentence 1: I can't remember saying any such thing.
Sentence 2: I remember the concert clearly, but I can't recollect why I was there.
Does remember mean the same thing in these two sentences?
============
Answer: the same meaning

Question: Sentence 1: Mow the grass.
Sentence 2: He mowed the lawn.
Does mow mean the same thing in these two sentences?
============
Answer: the same meaning

Question: Sentence 1: They attacked the enemy's line.
Sentence 2: There is a narrow line between sanity and insanity.
Does line mean the same thing in these two sentences?
============
Answer:
different meanings