The Infinitive as Parenthesis (вставного звороту)

to tell the truth

To tell the truth, I disliked the man at once. — по правді кажучи

to put it another way

To put it another way, the more you invest, the more you earn. — іншими словами; інакше кажучи

to crown it all

I lost my keys and, to crown it all, it started to rain. — на довершення всього

needless to say

Needless to say, I didn't sleep that night. — зайве казати; само собою зрозуміло

to cut a long story short

To cut a long story short, they got married. — коротше кажучи

to begin with

To begin with, the price is too high. — по-перше; насамперед; почнемо з того, що

so to speak / so to say

He is, so to speak, the brain of the team. — так би мовити; якщо можна так висловитися

to be sure

To be sure, it was not an easy task. — напевно; звичайно

to make matters worse

We got lost and, to make matters worse, my phone died. — що ще гірше; більше того

to be frank / to be honest

To be honest, I don't like his idea. — чесно кажучи; відверто кажучи

to be precise / to be exact

He was born in 1756, to be exact, on 27 January. — точніше кажучи

strange to say

Strange to say, nobody noticed the mistake. — як не дивно

to sum up

To sum up, the project was a success. — підсумовуючи; щоб підбити підсумок

to be on the safe side

Take an umbrella, just to be on the safe side. — щоб перестрахуватися; про всяк випадок

needless to add

Needless to add, any help will be appreciated. — немає потреби додавати; само собою зрозуміло

to put it simply / bluntly / plainly

To put it simply, he is lying. — простіше кажучи; попросту кажучи

to put it mildly

The film was boring, to put it mildly. — м'яко кажучи

to make double sure

I checked the door twice to make double sure. — для більшої впевненості; про всяк випадок

to dot the i's

To dot the i's, let me repeat the main rules. — щоб розставити всі крапки над «і»

to say the least

His behaviour was strange, to say the least. — щонайменше; м'яко кажучи

to say nothing of

It was too expensive, to say nothing of the time it wasted. — не кажучи вже про