1. 财运；鸿运；好运
    You can refer to a sudden great increase in wealth, success, or luck as a bonanza .

1. a sudden happening that brings good fortune (as a sudden opportunity to make money)

    e.g. the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line

    Synonym: boomgold rushgravygodsendmanna from heavenwindfallbunce

2. an especially rich vein of precious ore