Q: Does the word "run" mean the same thing in "He went to Las Vegas and spent all his money over a three-day run." and "I'm having a run of bad luck."?

A: the same meaning

Q: Does the word "answer" mean the same thing in "Answer the door." and "She answered the door."?

A: the same meaning

Q: Does the word "lock" mean the same thing in "The therapist noticed that the patient's knees tended to lock in this exercise." and "The parents locked her daughter up for the weekend."?

A: different meanings

Q: Does the word "practice" mean the same thing in "I took over his practice when he retired." and "It is not the local practice to wear shorts to dinner."?

A:
different meanings