To be careful!
一定要小心！
英语常用口语 1000 句 第 8 部分

📚 句中词汇解析

从本句中提取的重要词汇

careful ['kɛrfl] 词频1 词根: 关心
adj. 仔细的，小心的;周到的;慎;心细;
💡 care照料+ful表形容词，“有…的” →小心的
"He was careful to keep out of sight."
他小心翼翼地躲开别人的视线。
近义：heedful, intent, leery, mindful, observant, attentive 反义：imperviable, impervious, imprudent, inadvertent, incautious, incurious

📚 更多「英语常用口语 1000 句」例句

Don't worry.
别担心。
Make up your mind.
做个决定吧。
I really enjoyed myself.
我玩得很开心。
I gave much time to the old car.
我在这辆破车上花了不少时间。
I won't be able to see him today.
今天我不可能去看他。
My grandpa died of hunger in the old days.
我爷爷在旧社会死于饥饿。