On the alert : বিপদের বা আক্রমণের জন্য প্রস্তুত; সতর্ক ত্ত তত্পর অবস্থায়;
Related Words
on the alert  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Adequate to(সমানুপাতিক): The salary, he gets, is not adequate to the volume of work he has to do.
Break in (কথার মাঝে কথা বলা): As she was talking, he suddenly broke in, saying, ‘that’s a rat!’
Busy with(ব্যস্ত থাকা): Rahim is now busy with her homework.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Render into (অনুবাদ করা): Render the passage into Bengap.
Browse All Appropriate Prepositions
Idioms
At a snail's pace (very slowly – খুব ধীর গতিতে) The economy of Bangladesh is growing at a snail’s pace.
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Cut to the quick (মর্মাহত হওয়া): I was cut to the quick by his birds.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
To the utmost (যথাসাধ্য) - I tried to the utmost of my ability to have a job.