Long-standing : দীর্ঘকালস্থায়ী
Related Words
long standing  long-standing  longstanding  See Words Also In
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Appropriate Prepositions
Addicted to(খারাপ কিছুতে আসক্ত): She is addicted to collecting stamps.
Adorn with(সাজানো/সজ্জিত করা): Adorn the car with flowers.
Apart from(ছাড়া, ব্যতীত, দূরে): They pave apart from each other.
Careless of(অসতর্ক): Do not be careless of your health.
Urge upon (আহবান জানানো): She urged upon his son the importance of being honest.
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Idioms
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
Bear in mind (মনে রাখা): Always bear in mind that you are a daughter of a reputed person.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Pass away (মারা যাওয়া)— He passed away last night.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.