Untiring : অক্লান্ত; ক্লান্ত হয় না এমন;
Related Words
undermining  untiring  untiringly  See Words Also In
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Appropriate Prepositions
Abound in(প্রাচুর্যপূর্ণ হওয়া): Fish abounds in the pond.
Attend on/upon (সেবা করা): We should attend on/upon the ailing patient.
Cause for (চিন্তিত হওয়ার কারণ): He has never given me any cause for concern.
Consistent with(সামঞ্জস্যপূর্ণ): Your action is not consistent with your word.
Guard from/against (রক্ষা করা): My parents always guard me from/against bad people.
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Idioms
At all (in the least degree – মোটেও না) There is no water at all in the pond.
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
Hold water (ধোপে টেকা): This policy will not hold water in this situation.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.