Infallible : অভ্রান্ত; অব্যর্থ
Related Words
in valuable  inappellable  infallibility  infallible  invaluable  See Words Also In
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Appropriate Prepositions
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Anxious for (কারোর ব্যাপারে চিন্তিত): Sabbir was anxious for her.
Contribution to (অবদান): His invention made a major contribution to road safety.
Deal with (কারো সাথে ব্যবহার বা আচরণ করা): Shahid can deal well with the customers.
Rid of (মুক্তি দেওয়া): He will get rid of troubles soon.
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Idioms
Out of sorts (সামান্য অসুস্থ): The baby is out of sorts after playing.
Silver tongue (মিষ্টভাষী)- He is a man of silver tongue.
Safe and sound (নিরাপদে)— He reached home safe and sound.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.
Take into account (বিবেচনা করা): Your activities should be taken into account.