Customary law : প্রথাসিদ্ধ আইন;
Related Words
customarily  customary law  See Words Also In
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Appropriate Prepositions
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Call for(চাওয়া): I will call for his explanation.
Decide upon (সিদ্ধান্ত করা): We have not yet decided whether we are going to picnic.
Hit upon (পরিকল্পনা নেয়া): Rahim hit upon a new plan.
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Idioms
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Now and then (মাঝে মাঝে): He comes here now and then.
Salt of the earth (গুরুত্বপূর্ণ ব্যক্তিবর্গ) —The salt of the earth is remembered always.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.
Turn down (refuse, প্রত্যাখান করা) —He turned down my proposal.