also: どうしたらよい
expression, i-adjective (yoi/ii class)
what should I do?; what's the best thing to do?
A common phrase used when seeking advice or wondering about the best course of action. Often used in self-talk or when asking for suggestions.
こんな時、どうしたらいいかわからない。
I don't know what to do at a time like this.
どうしたらいいと思いますか？
What do you think I should do?
Almost synonymous; どうしたらいい is slightly more colloquial and common in spoken Japanese, while どうすればいい can sound a bit more formal or written.
A fixed expression combining どう (how), したら (conditional form of する), and いい (good). The phrase literally means 'if I do how, would it be good?' and has become a standard way to ask for advice.