This is the 2628th most frequent Chinese word.
還是
"還是" means "still," "or," or "had better," depending on the context.
In this sentence, 還是 is used as an adverb meaning "had better" or "still better," suggesting a preferable action.
外面下雨了，還是帶把傘吧。
It's raining outside, it's better to take an umbrella.
In this sentence, 還是 is used as an adverb meaning "still," indicating continuity of an action.
他還是每天都跑步，從沒間斷。
He still runs every day without interruption.
In this sentence, 還是 is used as a conjunction meaning "or" in a question, presenting two options.