careful

https://tts.langeek.co/read?text=Y2FyZWZ1bA&hash=95a9e88fd0e24800704e0daf25b4c41ecddd287b&lang=en&cache-only=0

Here you will find the vocabulary from Unit 1 - Lesson 4 in the Summit 1A coursebook, such as "careless", "hopeful", "powerful", etc.