“在家吃饭”常见的英文表达是 “eat at home” 或 “have a meal at home”。
“eat at home”:简洁直接,突出“在家吃”这个动作,在日常交流中很常用。例如:I prefer to eat at home because it's healthier.(我更喜欢在家吃饭,因为这样更健康。)
“have a meal at home”:更正式一些,强调“吃一顿饭”这个行为。例如:We usually have a meal at home on weekends.(我们周末通常在家吃饭。 )