Meanings
- your father(polite form) Another person's father.
- Sir(polite form) One's father's friend or an elderly person older than him.
Examples from Lessons (3)
Have you ever seen a scene in a drama where an elder is delighted to meet their grandchild after a long time?
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I'm especially mindful of how I should behave in front of people I'm meeting for the first time or elders.
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However, it is the proper attitude to refrain from using these abbreviations and speak politely to elders.
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