“随便的”的英语可以翻译为：informal，free and easy，wanton，wilful，casual ...

看见主人和领班侍者打招呼时轻薄随便的样子，她简直按捺不住惊讶。She needed to control her surprise at the easy familiarity with which her host greeted the head waiter.那是随便的闲谈, 带几分勉强的笑.It was an informal conversation , but their laughter sounded rather f...