know one’s ass from a hole in the ground Thành ngữ, tục ngữ

break fresh ground

deal with something in a new way The researchers were able to break fresh ground in their search for a cancer cure.

common ground

shared beliefs or interests There was little common ground between the two sides and the negotiations for the new machinery did not go well.

cover ground

talk about the important facts and details of something The number of questions seemed endless and we were unable to cover much ground during the meeting.

don't know your ass from a hole in the ground

you are ignorant, you are mistaken, mixed up He said one member of the cult was so confused he didn't know his ass from a hole in the ground.

ear to the ground

direct one

feet on the ground

an understanding of what can be done, sensible ideas The new manager has his feet on the ground and will probably be able to come up with a sensible solution to our problems.

gain ground

go forward, make progress Our company has been gaining ground in our attempt to be the best in the industry.

get in on the ground floor

be there at the start, be one of the first If I get in on the ground floor at MING'S, I'll advance quickly.

get off the ground

make a successful beginning, go ahead His new business never really got off the ground so he must look for another job.

give ground

move back, retreat, stop opposing someone He refused to give ground on his plans to change the system of office management.

not apperceive (one's) ass from a aperture in the ground

rude slang To be awfully stupid, naïve, or dimwitted. I'm not afraid to apprehend that she got absent two blocks abroad from her house—she doesn't apperceive her ass from a aperture in the ground. Our prime abbot wouldn't apperceive his ass from a aperture in the ground, so why do we anticipate that he'll handle this agreement with any bulk of success?Learn more: ass, ground, hole, know, not

know one’s ass from a aperture in the ground

tv. to be knowledgeable; to be active and effective. (Usually objectionable.) That brainless son of a allegation doesn’t apperceive his ass from a aperture in the ground. Learn more: ass, ground, hole, know

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More Idioms/Phrases

give a little give a wide birth to give an arm and a leg give an inch give and take give away give chase give free rein to give ground give head give her give her credit give her shit give her the eye give him a taste of his own medicine give him an inch and he'll take a mile give him enough rope and he'll hang himself know from know from memory know from nothing know from something know full well know how many beans make five know how the sausage gets made know in the biblical sense know inside out know it all know like a book know like a book, to know like the palm of hand know little and care less know little and care less (about someone or something) know no bounds know no more about (something) than a frog knows about bedsheets know no more about (something) than a hog knows about Sunday know no more about (something) than a pig knows about Sunday know no more about than a frog knows about bedsheets know nothing and care less (about someone or something) know of know of (someone or something) know on which side your bread is buttered know one for what one is know one’s ass from a hole in the ground know one's own mind know one's own mind, to know one's place know one's stuff know one's way around know only too well know otherwise know place know shit from Shinola know somebody by sight know somebody/something backwards know somebody/something inside out know someone in the biblical sense know someone or something inside out know something backwards know something full/perfectly/very well know something like the back of your hand know something/someone inside out know stuff know the drill know the ins and outs (of something) know the price of everything and the value of nothing know the ropes know the ropes, to know the score