Learn English – What’s an adjective for excessively hand gesturing while talking

Yes, a common word for that is revealing as in revealing clothes. The idea here is that it reveals more about a woman than it should be. Another good one and equally common is skimpy as in skimpy skirt. So, you could say:

The clothes worn by western women could be considered too revealing in Muslim countries.

As for the adjective to describe a woman who wears revealing clothes, I don't think there is a special term for that in English that's common enough that you'll ever hear it used, but the closest thing that I can think of would be floozy. floozy is basically a slur for a woman who looks like a prostitute.

PS: people have been giving a lot of feedback in the comments section. Some of them aren't fond of the idea that what has been offered so far has mostly been vulgar slang. If you're looking for a term that's non-derogatory and neutral in language, immodest woman or immodestly dressed woman could be your best bet. This adjective was suggested by Nigel Touch (in the comments section).

Considering the new information you provided us with, all I can say is that what we are really dealing with here is terminology specific to a particular field in a foreign language. The typical way to go about this is to use the word as it appears in the original language but in its transliterated form with a remark about its meaning when the word is first introduced to the audience. This is commonly done for words that don't have equivalents in the English language. That's actually one way new vocabulary is created. There are many examples of Arabic words in English that have entered the language for the exact same reason—they have no English counterparts. Among them are terms like dunya, iman, fatwat, tawhid and many more others. Simply put, when speaking in the context of Islam, those are the words you would be using instead of analogous English ones that might be similar in meaning but don't quite capture the idea accurately.

Adjective: my parents are very caring people.

You are so caring. [not usually used with friends like that]. It is a very strong phrase in fact. So, you might say your parents are caring people and would probably say: Oh Mum, you care about me so much. [or: You care about me so much] And not: Oh Mum, you are so caring. Unless you mean how your mother is in relation to others, like the poor etc. to be caring = to be generous and nice to others.

Verb: My mother cares a lot about me. My cousin doesn't care a lot [or much] about me.

As has been pointed out, a lot is used in the declarative.

much and not much can be used in the negative and interrogative:

• Do you care a lot about him? Do you care much about him?
• They don't care much about us. They don't care a lot about us.
• Do they care about you? Answer: Not much, not a lot.
• I really care a lot about my dog.

Word of advice: to care about a person means to like or even to love. The more formal term is: to care for a person (like or love) but it also means: to take care of, as in: My mothers cares for my disabled aunt.

As an additional word of advice: much, many in most declarative sentences in spoken English becomes a lot of or lots of rather than much or many. In the negative and interrogative, many or much is used but a lot and lots of can also be used. (This is just a general idea here. Not every detail of usage. And I am not distinguishing here between adverbs and adjectives, for the record).