英汉词典

1. 脸红;(脸)发烫，发红
    If you flush, your face goes red because you are hot or ill, or because you are feeling a strong emotion such as embarrassment or anger.

flush在线翻译

    e.g. Do you sweat a lot or flush a lot?...
           你常出汗或是脸上常发烫吗？
    e.g. He turned away embarrassed, his face flushing red.
           他难为情地扭过头去，羞红了脸。