to shoot oneself in the foot — to cause oneself difficulty; to be the author of one’s own misfortune
«Let’s travel back in time a bit to see how Microsoft shot themselves in the foot when, if they simply paid attention to the industry, they’d probably be neck and neck with Sony’s PS4 sales.»
to get the upper hand — if someone has the upper hand, they have a position of power and control over someone else, and if an emotion has theupper hand, it controls what you do
«I learned that the Spartans had escaped from great misfortune and had now got the upper hand in their war with Tegea.»
to turn a blind eye to — to ignore something and pretend you do not see it
«The mother turned a blind eye to her son’s mischief as she expected him not to repeat it.»
to face the music — to receive punishment; to accept the unpleasant results of one’s actions
«Many will face the music one day when they stand before the Lord.»
to have the heart in the right place — to have good intentions, even if there are bad results
«What we should care about who is the most qualified and who has the heart in the right place to do what’s best for the country …»
to keep one’s feet in the ground — to remain calm and stable
«He keeps his feet on the ground and is a nice little kid. He is full of life and has a good attitude.»