Watch dog : প্রহরী কুকুর;
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watch dog  watchdog  witch doctor  See Words Also In
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Appropriate Prepositions
Aim at(আঘাত করার জন্য লক্ষ্য স্থির করা): The hunter aimed at the tiger.
Apology to (কারো কাছে ক্ষমা চাওয়া): Rakib should ask apology to her.
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Long for (আশা করা/কামনা করা): He longed for name and fame.
Married to (বিবাহিত): Salma was married to a Govt. Officer.
Browse All Appropriate Prepositions
Idioms
At all (in the least degree – মোটেও না) There is no water at all in the pond.
At home (proficient in — দক্ষ) The students of Bangladesh should be at home in Bangla.
Back and forth (এদিক ওদিক) The mad man was running back and forth in the hospital.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
Null and void (বাতিল): The deed has been null and void now.