What did someone do that made you think they were really smart?
What was something that someone did that made you think they were really smart?
מה מישהו עשה שגרם לך לחשוב שהוא באמת חכם?
מה היה משהו שמישהו עשה שגרם לך לחשוב שהוא באמת חכם?