Ack-ack : বিমান-বিধ্বংসী; বিমান-ধ্বংসী;
Related Words
acacia  ack-ack  ackack  See Words Also In
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Appropriate Prepositions
Concerned for (উদ্বিগ্ন): The parents are concerned for their growing children.
Convict of(দোষী সাব্যস্ত হওয়া): The accused person was convicted of the murder.
Cope with (এঁটে ওঠা; তাল মিলিয়ে চলা): They cannot cope with so much work.
Match for (প্রতিদ্বন্দ্বী): He is no match for me.
Play at (খেলা): I do not play at cards.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
At home (proficient in — দক্ষ) The students of Bangladesh should be at home in Bangla.
Give one’s right arm (বিপদের ঝুকি নেয়া): I will give my right arm if I could manage the tickets.
In vogue (চালু): This custom is not in vogue at present.
Lame excuse (বাজে ওজর): The lame excuse will not do.