Plumb-bob : ওলন; ওলন-পিণ্ড;
Related Words
plumb  plumb bob  plumb-bob  plumbago  plumbed  plumber  See Words Also In
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Appropriate Prepositions
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Certain of(নিশ্চিত): Jamal is certain of his success.
Consist in (কোনো কিছু মধ্য বিদ্যমান থাকা): Happiness consists in contentment.
Consist of(গঠিত হওয়া): The committee consists of ten members.
Substitute for (বদলে দেওয়া): This action is substitute for that.
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Idioms
After all - (সব কথার পরেও): I rang and told her I couldn't come after all.
Bad book (disfavour-খারাপ নজর —n) The secretary has fallen in the bad book of the manager.
Cock and bull story (আষাঢ়ে গল্প): You must be ashamed of your cock and bull story.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.