1. (行为、态度等)一贯的，一致的，始终如一的
    Someone who is consistent always behaves in the same way, has the same attitudes towards people or things, or achieves the same level of success in something.

consistent的近义词

    e.g. Becker has never been the most consistent of players anyway.
           不管怎么说，贝克尔从来就不是表现最为稳定的球员。
    e.g. ...his consistent support of free trade.
           他对自由贸易始终如一的支持

2. （观点等）一致的，吻合的，不矛盾的
    If one fact or idea is consistent with another, they do not contradict each other.

    e.g. This result is consistent with the findings of Garnett & Tobin...
           这个结果与加尼特托宾公司的调查结果一致。
    e.g. New goals are not always consistent with the existing policies.
           新目标并不总是与现行政策一致。

3. (观点或看法)前后一致的，连贯的
    An argument or set of ideas that is consistent is one in which no part contradicts or conflicts with any other part.

    e.g. These are clear consistent policies which we are putting into place.
           这些就是我们正在付诸实施的政策，不但清楚而且前后一致。