presume on (或upon)

• • 把期望寄托在…，指望：

    You must not presume too much on the reliability of such sources.

    你不应该过分指望这类消息来源的可靠性。

  • (不正当地)利用，滥用：

    He presumed upon his position to find his daughter a nice job.

    他利用职权为其女儿找了一份好工作。

  • 信赖；依赖，依靠：

    It was stupid of him to presume on an all too brief acquaintance.

    他竟信赖一个相识没多久的人，真是愚蠢。