挨肩儿 āijiānr close in age Definitions Defs Origin Strokes Stroke Words Sentences Sents āijiānr close in age 挨肩 āijiān to be close in age to be born in close succession or be roughly equal in age or height, especially of siblings儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.āijiānr shoulder-to-shoulder 挨肩 āijiān shoulder to shoulder shoulder to shoulder; sitting or standing side by side; in close succession儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.