high and low
US /haɪ ənd loʊ/
UK /haɪ ənd loʊ/

1.
ke mana-mana, di mana-mana
everywhere; in many different places
:
•
I've searched high and low for my lost keys.
Saya sudah mencari ke mana-mana kunci saya yang hilang.
•
They looked high and low for the missing child.
Mereka mencari ke mana-mana anak yang hilang itu.