1. (房屋等)不太大的，不算昂贵的，普通的
    A modest house or other building is not large or expensive.

modest的反义词

    e.g. ...the modest home of a family who lived off the land...
           靠土地过活的一户人家的简朴住房
    e.g. A one-night stay in a modest hotel costs around £35.
           在普通的旅店里过一夜要花费约35英镑。

2. (数量、比率或改进程度)不太高的，适度的，适中的
    You use modest to describe something such as an amount, rate, or improvement which is fairly small.

    e.g. Swiss unemployment rose to the still modest rate of 0.7%...
           瑞士的失业率上升到了0.7%，这个百分比仍然不算太高。
    e.g. The democratic reforms have been modest...
           民主改革的力度并不太大。

3. 谦虚的;谦恭的;谦逊的
    If you say that someone is modest, you approve of them because they do not talk much about their abilities or achievements.

    e.g. He's modest, as well as being a great player...
           他是一名谦虚而伟大的运动员。
    e.g. Lord Carrington is modest about his achievements.
           卡林顿勋爵对自己取得的成绩非常谦虚。

4. (女性或其衣着)端庄的，保守的;(行为)正派的，检点的
    You can describe a woman as modest when she avoids doing or wearing anything that might cause men to have sexual feelings towards her. You can also describe her clothes or behaviour as modest .

    e.g. Asian women are more modest and shy, yet they tend to have an inner force...
           亚洲女性表现得更为端庄腼腆，却往往外柔内刚。
    e.g. Respect the local etiquete. Modest clothing is often preferable to revealing shorts and tight-fitting tops.
           要尊重当地的礼节。朴素端庄的衣着往往比暴露的短裤和紧身上衣更合适。