N3
Verb[volitional]
💡Meaning
Tried to ~ but ~
📝Usage
Verb[volitional] + としたら + counter-result
⚠️Notes
Expresses an attempt to do something that failed or was interrupted. "I tried to ~, but ~." (e.g., 窓を開けようとしたら、雨が降ってきた。- Just as I tried to open the window, it started to rain.)