Longstanding : দীর্ঘকালস্থায়ী;
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Appropriate Prepositions
Anxious for (কারোর ব্যাপারে চিন্তিত): Sabbir was anxious for her.
Dependent on (নির্ভরশীল): Sepm is dependent on his father.
Destitute of (নিঃস্ব; বিবর্জিত): He is destitute of any friend here.
Eager for, about (একাগ্র): The students for this school are eager for knowledge. The teacher is eager about the success of his students.
Sick of (ক্লান্ত): He is sick of this idle life.
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Idioms
Fair and square (সৎ): The learned persons should be fair and square.
Give one’s right arm (বিপদের ঝুকি নেয়া): I will give my right arm if I could manage the tickets.
In lieu of (পরিবর্তে): Give me this pen in lieu of that.
In vogue (চালু): This custom is not in vogue at present.
Without fail (অবশ্যই) - You must attend the meeting without fail.