Shelflife : কার্যকারী জীবনকাল; স্থায়িত্বকাল;
Related Words
self love  self-love  selflove  shelf life  shelflife  See Words Also In
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Appropriate Prepositions
Apply to (কারো কাছে আবেদন করা): He applied to the principal for free admission.
Devoted to (মনোযোগী): He is devoted to music.
Eager for, about (একাগ্র): The students for this school are eager for knowledge. The teacher is eager about the success of his students.
Faithful to (বিশ্বস্ত): The dog is very faithful to its master.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
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Idioms
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Fish in a troubled water (এলোমেলো অবস্থার সুযোগ নেয়া): He made a lot of money by fishing in a troubled water.
Maiden speech (প্রথম বক্তৃতা): His maiden speech fell flat on the audience.
Pass away (মারা যাওয়া)— He passed away last night.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.