

突然の質問にもうろたえることなく、彼女は冷静に答えた。
部長は予想外のトラブルにひどくうろたえていた。
緊急時こそうろたえずに、落ち着いて行動すべきです。
"うろたえる(狼狽える)" is in the lesson "Negative traits" (Level 27), along with 9 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.