Life span : জীবনের দীর্ঘতম মেয়াদ;
Related Words
life saving  life span  life-saving  lifesaving  lifespan  See Words Also In
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Appropriate Prepositions
Catch at(ধরা): A drowning man catches at a straw.
Dressed in (সজ্জিত, পরিহিত): The girl was dressed in silk.
Guard from/against (রক্ষা করা): My parents always guard me from/against bad people.
Rely on (নির্ভর করা): We should not rely on a lazy man.
Rid of (মুক্তি দেওয়া): He will get rid of troubles soon.
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Idioms
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
To meet trouble half-way (পুরোপুরি মোকাবেলার আগেই হাল ছেড়ে দেয়া): He met trouble half way after getting the instructions.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.
Worthy of (যোগ্য) - He is worthy of a good job.