Looking for a needle in a haystack
I cannot find an idiom that starts off "she cried tears." When you cry, you cry tears, so that would not be a good idiom anyway.
I cannot find a firm origin for this saying. Evidently people once believed that the nervous sensation might be caused by something you had eaten.
Trying to find things or situations that are never going to happen.
If you are "in the dark," you do not understand something. The image is of a person fumbling around in a black space, trying to find something. The antonym of this is "to see the light," which means to suddenly understand. If you just don't know what something means, you could say "I'm in the dark on that subject, could you explain it to me?"
something which i am trying to find out
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.
What the idiom is saying is that there's nobody that ugly to find love.
by trying things and have fun while you do them
Whenever I'm trying to understand something.
under what headword would you find the idiom raining cats and dogs?
You can find single words that describe idioms and expressions in a thesaurus or by searching for synonyms related to the main concept or action of the idiom or expression. This can help you identify key words that capture the essence of the idiom or expression in a succinct manner.
You cannot find the diameter of something from its circumference unless it is a circle and, in that case, diameter = circumference/pi