恕我直言

shùwǒzhíyán

with all due respect; in my humble opinion; frankly speaking

Wiktionary

Entry Composition

1 恕 shù to forgive
2 我 wǒ
  1. I
  2. me
  3. my
3 直言 zhíyán
  1. to speak forthrightly
  2. to talk bluntly