This is a polite way to say "to do." You use it when talking about someone important.
Noun + を + なさるPrimary
Noun + なさる
This is a polite way to say "to do." You use it when talking about someone important.
お客様、アンケートにご協力なさいますか。
Ma'am/Sir, would you be willing to participate in the survey?
部長は昨日の会議で重要な発表をなさいました。
The department head made an important announcement at yesterday's meeting.
どうぞ、ご無理はなさらないでください。
Please, don't overdo it / don't push yourself too hard.
先生がなされた研究は、世界的に評価されています。
The research that the professor conducted is acclaimed worldwide.
社長はゴルフをなさると伺っております。
I have heard that the company president plays golf.
This command is like a parent telling a child what to do. It shows the speaker is in charge. Never use it with someone above you, like your boss. That would be very impolite.
Nasarua is different from itasu. You use nasaru for someone else's actions. This shows respect for them. You use itasu for your own actions. This shows humility. Nasaru is also more respectful than other polite ways to say 'do'.
Watch out: Do not use "nasaru" for yourself. "Nasaru" is only for other people. It shows respect for what they do. When you do something, use "shimasu" or "itashimasu" instead. For example, do not say "I will explain (nasaimasu)". Say "I will explain (itashimasu)".
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