How do you pronounce 謹啟?

Q: How do you pronounce 謹啟? A: gan2 kai2, e.g.

謹啟 (gan2 kai2) — meaning, pronunciation, examples

謹啟 (gan2 kai2, jǐn qǐ) — to respectfully inform (used at the beginning or end of letters)

謹小慎微 (gan2 siu2 san6 mei4) — meticulous; punctilious
謹 (gan2) — cautious; careful; solemnly; sincerely (formal); prudent; attentive
謹上 (gan2 soeng5) — respectfully yours (in closing a letter)
謹嚴 (gan2 jim4) — meticulous; rigorous
謹守 (gan2 sau2) — to adhere strictly (to the rules)
謹慎 (gan2 san6) — cautious; prudent