key
US /kiː/
UK /kiː/

1.
kunci
a small piece of shaped metal with incisions cut to fit the wards of a particular lock, which is inserted into a lock and turned to open or close it.
:
•
I can't find my car keys.
Saya tidak dapat mencari kunci kereta saya.
•
She locked the door and put the key in her pocket.
Dia mengunci pintu dan meletakkan kunci di dalam poketnya.
2.
kunci, utama
a thing that is of crucial importance to a situation, problem, or explanation.
:
•
Communication is the key to a successful relationship.
Komunikasi adalah kunci kepada hubungan yang berjaya.
•
The detective found the key piece of evidence.
Detektif menemui bukti utama.