It is a way of saying that you can't tell the difference between several things or choices if the situation is right - you can't see colours in the dark, so all cats look the same.
Another way you might hear this is "All cats are gray after midnight."
The saying All cats are alike in the dark means we are all the same underneath despite how we look on the outside.
Colour is absent in the dark, therefore anything in the dark would lack colour.
all people seem sexy but under the sheets they can be all the same if the passion is there
It means that you "Take a look" or to look at something.
To "look after" is to care for. It means to care for a small child.
It is an introduction to your first impression of something.
This isn't an idiom. It means just what it sounds like - someone is looking for things by using their senses to find them.
The best way to find out the meaning of an idiom is to look it up in a reputable dictionary or idiom database. You can also search online for the idiom along with the word “meaning” to find explanations and examples of its usage. Additionally, asking a native speaker or language teacher for clarification can help you understand the idiom better.
Look at a mirror and make it as light as possible, look at your eyes Look at a mirror and make it as dark as possible, Look at your eyes What's the difference. Same with cats
It's not an idiom, it's a description. Go look in a mirror and close your mouth and you'll see what it means. It's someone who isn't talking.
This isn't an idiom because you can figure it out if you look up the word "pins." It is a SLANG term meaning legs, so you knocked him over.
This isn't an idiom because you can figure it out by the context. People look good "on paper" because they only list their best qualities on their resumes, but when you meet them in person, you may find that they are not so nice or so qualified.
It means to tidy up, put everything in its place and make things look neat.
To look down upon is an idiom meaning to disdain or hold in comtempt. She has a tendence to look down upon anyone who works in an office.