อันนี้เท่าไหร่คะ
Meaning
This phrase directly translates to "How much is this?" and is specifically used by a female speaker.
Usage and formality
This is a polite and very common way to ask for the price of an item in everyday situations. The particle คะ (khá) at the end indicates that the speaker is female and also adds a polite tone to the question.
Pronunciation
an nee tao rai khá. Note the rising tone on คะ (khá), which is characteristic of polite questions from female speakers.
Grammar
อันนี้ (an née) means "this" (referring to an object). เท่าไหร่ (tâo-rài) is the question word for "how much" or "how many". The final particle คะ (khá) is crucial for politeness and indicating the speaker's gender.
Notes
อันนี้เท่าไหร่คะ - How much is this? (female speaker) Polite and common for asking prices.