trial and error
trial
ˈtraɪəl
traiel
and
ənd
ēnd
e
ɛ
e
rror

ইংরেজিতে "trial and error"এর সংজ্ঞা ও অর্থ

01

the process of testing a method, an idea, etc. in several ways to achieve the desired outcome 

trial and error definition and meaning
উদাহরণ
He learned to fix the machine through trial and error. 
LanGeek
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