どうしよう

expression

what to do; what should I do

Expresses uncertainty or worry about what action to take; often used in self-directed questions or exclamations.

• 財さい布ふを忘わすれた。どうしよう。

  I forgot my wallet. What should I do?

• 明日あしたの試し験けん、どうしよう。

  What am I going to do about tomorrow's exam?