1. The hat looks very becoming on you.
    你戴这顶帽子挺合适。

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2. White is a very becoming color on you.
    你穿白色衣服很好看。

3. That hat is very becoming for you.
    那顶帽子对你很合适。

4. His laughter was not becoming on that solemn occasion.
    他在那种严肃场合笑是不适宜的。

1. （衣服、颜色、发型等）合适的，相配的，好看的
    A piece of clothing, a colour, or a hairstyle that is becoming makes the person who is wearing it look attractive.

becoming的近义词

    e.g. Softer fabrics are much more becoming than stiffer ones.
           软面料要比硬面料合身得多。

2. （行为）得体的，适宜的
    Behaviour that is becoming is appropriate and proper in the circumstances.

    e.g. This behaviour is not any more becoming among our politicians than it is among our voters.
           这种行为对于我们的政治家和选民来说都不合适。

1. displaying or setting off to best advantage

    e.g. a becoming new shade of rose
           a becoming portrait

2. according with custom or propriety

    e.g. her becoming modesty
           comely behavior
           it is not comme il faut for a gentleman to be constantly asking for money
           a decent burial
           seemly behavior

    Synonym: comelycomme il fautdecentdecorousseemly