Cautelous
a. 小心的, 警觉的
🗣️ 情景例句
I don't mind.
我不在乎。
They won't listen, so don't waste your breath telling them.
他们听不进去，不必和他们多费口舌了。
Don't you usually come to school by bike?
你不是常骑自行车到学校吗？