go under
US /ɡoʊ ˈʌndər/
UK /ɡoʊ ˈʌndər/

1.
2.
tidak sadarkan diri, tertidur
to become unconscious or fall asleep, especially due to an anesthetic or exhaustion
:
•
The patient began to go under as the anesthesia took effect.
Pasien mulai tidak sadarkan diri saat anestesi mulai bekerja.
•
After a long day, he just wanted to go under and sleep.
Setelah hari yang panjang, dia hanya ingin tertidur dan tidur.