姐姐晚安用英语怎么说

"Goodnight, elder sister" in English can be expressed as "Goodnight, sister". The term "elder sister" is not commonly used in English and is more often simply referred to as "sister".

Here are a few example sentences:

"Goodnight, sister. Sleep well."
"Sister, it's time to say goodnight. Sweet dreams."
"Have a good night, sister. See you tomorrow."

中文翻译：

"晚安，姐姐。睡个好觉。"
"姐姐，该说晚安了。祝你甜甜的梦。"
"姐姐，晚安。明天见。"