Treacherously : বিশ্বাসঘাতকতাপূর্বক;
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Appropriate Prepositions
Bark at(ঘেউ ঘেউ করা): The dog is barking at the strange woman.
Call on(কারও সাথে দেখা করা): I called on him in his office.
Hinge on/upon (নির্ভর করা): The whole matter hinges upon this clue.
Look for (খোঁজা): I was looking for the lost phone.
Sanguine of (নিশ্চিত বা আশান্বিত): Be sanguine of your success.
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Idioms
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Gift of the gab (বাকপটুতা): An advocate should have the gift of the gab.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Make head or tail – (মাথামুন্ডু বুঝা) – I cannot make head or tail of what you say.
Up and doing (উদ্যোগী): Be up and doing and then you will succeed in your life.