He tried his best. (Negative)
He did not try a little
He did not stay unmoved
He left no stone unturned
Correct
He did not turn all stones.
Explanation:
Correct Answer is: He left no stone unturned
He tried his best.
– সে সর্বাত্মক চেষ্টা করেছিল।
এর negative form হচ্ছে –
He left no stone unturned
– সে চেষ্টার ত্রুটি রাখে নি।
Leave no stone unturned: (phrase)
– try every possible course of action in order to achieve something.
– চেষ্টার ত্রুটি না রাখা
Source: Oxford