Petrology : শৈলতত্ত্ব; শিলাতত্ত্ব;
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Appropriate Prepositions
Annoyed with(ব্যক্তির সাথে বিরক্ত হওয়া): I am annoyed with him.
Answerable to (কারো কাছে জবাবদিহিতা করা): He is not answerable to anybody for his mistake.
Detrimental to (অপকারী): Smoking is detrimental to health.
Indispensable to (অত্যাবশ্যকীয়): Your help is indispensable to him.
Welcome to (স্বাগত জানানো): You are welcome to our new office.
Browse All Appropriate Prepositions
Idioms
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
Call to mind (স্মরণ করা): I cannot call to mind your cell number.
Fair and square (সৎ): The learned persons should be fair and square.
In full swing (পুরোদমে): The school is in full swing after the vacation.
Tide over (বিপদ অতিক্রম করা-overcome ): The manager tided over the situation.