Toughen : কঠিন করা বা হওয়া;
Related Words
tegmen  thesun  token  toucan  touch on  toughen  See Words Also In
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Appropriate Prepositions
Consistent with(সামঞ্জস্যপূর্ণ): Your action is not consistent with your word.
Indifferent to (উদাসীন): Everybody is indifferent to my problem.
Popte in, to (মার্জিত): We must be popte in our dealings. One should be popte to
Regret for (দুঃখ করা): We regretted for his failure.
Satisfied with (সন্তুষ্ট): The authoress was highly satisfied with Jerry.
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Idioms
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
End in smoke (ব্যর্থ হওয়া): All his plans ended in smoke.
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
Run short (কমতি পড়া) —I ran short of money.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.