How old ä½ä¸ºçé®è¯å¯è¡¨ç¤ºä¸ºâå¤å¤§âeg.How old are you?(ä½ å¤å¤§äº?) èWhatåå¯ç解为âå¤å°ãä»ä¹âWhat is your old?å°±å¯ä»¥è¡¨ç¤ºâä½ çå¹´é¾æ¯å¤å°âã ä½æ¯å¨å½å¤è¿æ¯å¾éç§çé®é¢ï¼ä¸è¬è½»æä¸è¦é®ã