Keep You on Your Toes

Welcome to English in a minute!We have already learned the expression tiptoe around something which means to avoid directly expressing something.Keep you on your toes.Does this idiom have a similar meaning?
How do you like your new Arabic class? Oh,it’s tough!The teacher gives us so many unexpected tests. Wow,your class sounds tough!Yeah,but it keeps you on your toes.You have to be prepared for each and every class.If something keeps you on your toes,it keeps you alert,aware and ready to act.A person can begin to run or jump more quickly and easily if their weight is on their toes.That is where this expression comes from.And that’s English in a minute!

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