not to put too fine a point on it

Not to put too fine a point on it (to mean exactly what is said) — если уж начистоту, ...; говоря напрямик, откровенно говоря, говоря без обиняков,...; если уж называть вещи своими именами,...; грубо говоря, ...;

something that you say when you are going to say exactly what you mean, even if other people may not like it.

Example 1: Well, not to put too fine a point on it, it's entirely your fault. (CIDI)

Example 2: Her performance, not to put too fine a point on it, was terrible.(CIDI)

see also
[make no bones about sth]
[straight-from-the-shoulder]
[call a spade a spade]
[pull no punches]
[mince no words]
[spell it out]

[мягко выражаясь]