Question: Here is one sentence: Mastering a second language requires a lot of work.
Here is another sentence: He arrived at work early today.
Does the work mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: He tries to hit on women in bars.
Here is another sentence: We were hit by really bad weather.
Does the hit mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: A chain of mountains.
Here is another sentence: The chain of command.
Does the chain mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: To carry the war from Greece into Asia.
Here is another sentence: The jar carries wine.
Does the carry mean the same thing in the two sentences?

Answer:
different meanings