Hindi:
* Formal: मैं अपने मित्र को शांति से नमस्कार करता हूँ (main apne mitr ko shanti se namaskar karta hoon)
* Informal: मैं अपने दोस्त को शांति से नमस्कार करता हूँ (main apne dost ko shanti se namaskar karta hoon)
Japanese:
* Formal: 私は友人に平和の挨拶をします (Watashi wa yūjin ni heiwa no aisatsu o shimasu)
* Informal: 友達に平和の挨拶する (Tomodachi ni heiwa no aisatsu suru)
Breakdown of the words:
Hindi:
* मैं (main): I
* अपने (apne): my
* मित्र (mitr) / दोस्त (dost): friend (formal/informal)
* को (ko): to
* शांति से (shanti se): peacefully
* नमस्कार (namaskar): greeting
Japanese:
* 私は (Watashi wa): I
* 友人に (yūjin ni): to my friend
* 平和の (heiwa no): of peace
* 挨拶 (aisatsu): greeting
* をします (shimasu): do (formal)
* する (suru): do (informal)
Additional Notes:
* In Hindi, "namaskar" is a general greeting, similar to "hello."
* In Japanese, "aisatsu" is a more formal term for greeting, while "greeting" in English can be more casual.
* Both Hindi and Japanese have formal and informal ways of speaking, so the choice of words will depend on the context and your relationship with the person you are addressing.
Let me know if you'd like to know how to say this phrase in other languages!