✔ 最佳答案
1. No.
2. Proof of retirement is not required.
3. Yes - it depends on your luck. The Consulate is not obligated to provide interpretation to you. You may get someone who know how to speak English only.
Some denials in the past deal with the English ability.
Your issue is - you are visiting your children (if I am correct). So you may be interpret as you have intention to immigrate.
If it is the case - simply tell them the truth that you have no intend to immigrate but simply just want to visit them and come back. The Consulate should have no issue in approving the visa.