こんにちは, 今日は, こんにちわ
Interjection, Usually in kana, は is pronounced as わ
hello, good day, good afternoon
こんにちは、ぼくの名前は斎藤健です。
今日は人の身明日は我が身, きょうはひとのみあすはわがみ
Expression, Proverb
what chances to one man may happen to all, what happens to one today may happen to another tomorrow, misfortunes can happen to anyone