rule of thumb

US /ruːl əv θʌm/
UK /ruːl əv θʌm/
"rule of thumb" picture
1.

panduan umum, petua

a broadly accurate guide or principle, based on experience or practice rather than theory

:
As a rule of thumb, always save at least 10% of your income.
Sebagai panduan umum, sentiasa simpan sekurang-kurangnya 10% daripada pendapatan anda.
A good rule of thumb for cooking rice is two parts water to one part rice.
Panduan umum yang baik untuk memasak nasi adalah dua bahagian air kepada satu bahagian nasi.