first things first
US /fɜrst θɪŋz fɜrst/
UK /fɜrst θɪŋz fɜrst/

1.
perkara utama dahulu, yang paling penting dahulu
used to say that the most important thing should be dealt with before anything else
:
•
Okay, first things first, let's make a plan.
Baiklah, perkara utama dahulu, mari kita buat rancangan.
•
Before we discuss the details, first things first, we need to agree on the main goal.
Sebelum kita membincangkan butiran, perkara utama dahulu, kita perlu bersetuju dengan matlamat utama.