She used an idiomatic phrase that I didn't understand.
Relating to expressions that are natural to a particular language and not directly translatable.
His idiomatic style reflects his cultural background.
Characteristic of a particular group or culture, often in terms of language or behavior.
ด้วยพจนานุกรมภาพและแฟลชการ์ดที่ทรงพลังฟรี