Well-head : আদি উৎস;
Related Words
well oiled  well-head  well-to-do  welladay  welled  wellhead  welloiled  willed  See Words Also In
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Appropriate Prepositions
Consolidate for (শক্তিশালী করা): The four new companies consolidated for greater efficiency.
Cope with(সামলানো বা পেরে উঠা): They cannot cope with the situation.
Decide upon (সিদ্ধান্ত করা): We have not yet decided whether we are going to picnic.
Hard of (কানে খাটো বা কম শোনা): Ratan is a hard of hearing.
Look at (তাকানো): Students look at the blackboard.
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Idioms
Base born (নীচ বংশজাত, খারাপ জাত—adj.) He is a base born person; I cannot go along well with him.
In lieu of (পরিবর্তে): Give me this pen in lieu of that.
Make head or tail – (মাথামুন্ডু বুঝা) – I cannot make head or tail of what you say.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.
Salt of the earth (গুরুত্বপূর্ণ ব্যক্তিবর্গ) —The salt of the earth is remembered always.