Question: Sentence 1: He had a fair trial and the jury found him guilty.
Sentence 2: The trials for the semifinals began yesterday.
Does trial mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: He has a smooth line but I didn't fall for it.
Sentence 2: Toe the line.
Does line mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: To charge high for goods.
Sentence 2: Will I get charged for this service?
Does charge mean the same thing in these two sentences?
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Answer:
the same meaning