1 [U] understanding and enjoyment of the value of sth 欣赏；鉴赏；赏识: I'm afraid I have little appreciation of modern architecture. 我恐怕欣赏不了现代建筑。

2 [U] the feeling of being grateful for sth 感激；感谢: We bought him a present to show our appreciation for all the work he had done. 我们买了一份礼物送给他，对他出力表示感谢。

3 [U] [sing] understanding of a situation, problem, etc （对情况、问题等的）明白，了解

4 [U] [sing] an increase in value 增值；升值