1.易受伤害的，易损坏的；易受影响的；敏感的　easily hurt or damaged; affected greatly or easily by sth
2.易生气的；感情容易冲动的；神经质的　easily offended or emotionally upset
3.〈褒〉感情细腻的；善解人意的　having or showing perceptive feeling or sympathetic understanding
4. （指仪器等）灵敏的　(of instruments, etc.) able to measure very small changes
5.需要小心处理（以免引起麻烦或冒犯的），敏感的，微妙的　needing to be dealt with carefully so as not to cause trouble or offence; delicate

　He is a sensitive friend of mine.　他是我的一个善解人意的朋友。
　This experiment needs a more sensitive thermometer.　这个试验需要一个灵敏度较高的温度计。
　This is such a sensitive issue that perhaps the press should not be told.　这是个十分敏感的问题，恐怕不该让新闻界得知。
Don't be so sensitive—I wasn't criticizing you.别这么神经质——我不是在批评你。
　He's very sensitive about his ugly appearance.　他对自己丑陋的外貌很敏感。
　She's very sensitive to her pupils' need for encouragement and knows when to praise them.　她很能体察学生需要鼓励的心情，并且知道该在什么时候表扬他们。
　The cost is not sensitive to the batch size.　价格不因整批尺寸的变化而发生波动。