1. (基于思想或情感的)态度，情绪
    A sentiment that people have is an attitude which is based on their thoughts and feelings.

sentiment

    e.g. Public sentiment rapidly turned anti-American...
           公众情绪迅速转变，开始反对美国。
    e.g. He's found growing sentiment for military action.
           他发现支持采取军事行动的情绪日益高涨。

2. (用言辞表达的)见解，感想
    A sentiment is an idea or feeling that someone expresses in words.

    e.g. I must agree with the sentiments expressed by John Prescott...
           我不得不对约翰·普雷斯科特的见解表示赞同。
    e.g. The Foreign Secretary echoed this sentiment.
           外交大臣附和了这一看法。

3. (尤指对过去的事过度而无谓的)感伤，眷恋
    Sentiment is feelings such as pity or love, especially for things in the past, and may be considered exaggerated and foolish.

    e.g. Laura kept that letter out of sentiment...
           劳拉因无法释怀而一直保留着那封信。
    e.g. The coronation was an occasion for extravagant myth and sentiment.
           加冕典礼是极尽奢华和怀旧的仪式。