like a thief in the night
US /laɪk ə θiːf ɪn ðə naɪt/
UK /laɪk ə θiːf ɪn ðə naɪt/

1.
seperti pencuri di malam hari, tiba-tiba dan tanpa peringatan
unexpectedly and without warning, often with negative connotations of stealth or sudden departure
:
•
He left like a thief in the night, owing everyone money.
Dia pergi seperti pencuri di malam hari, berutang uang kepada semua orang.
•
The storm arrived like a thief in the night, catching everyone off guard.
Badai datang seperti pencuri di malam hari, membuat semua orang lengah.