thought,思想，-ful,形容词后缀。引申词义思考的，体贴的等。

1. Nancy, who had been thoughtful for some time, suddenly spoke.

南希沉思了一会儿，突然开口说话了。

2. It is given a typically thoughtful production with just enough theatrical fireworks.

该剧在制作上一如既往地花费了心思，舞台演出效果也相当精彩。

3. Douglas was a complex man, thoughtful, gallant, and generous.

道格拉斯让人捉摸不透，他体贴周到，对女孩子颇为殷勤，而且慷慨大方。

4. He was looking very thoughtful.

他似乎在静静思考着什么。

5. She had a thoughtful expression on her face.

她一脸若有所思的表情。