bubble under the radar
US /ˈbʌbəl ˈʌndər ðə ˈreɪdɑːr/
UK /ˈbʌbəl ˈʌndər ðə ˈreɪdɑːr/
1.
在暗中发展, 默默无闻, 不引人注目
to be present or active but not widely known or noticed
:
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The new startup has been bubbling under the radar for months, but now they're ready to launch.
这家新创公司已经在暗中发展了好几个月，现在他们准备好发布了。
•
Despite his talent, the artist has been bubbling under the radar, waiting for his big break.
尽管他很有才华，这位艺术家一直默默无闻，等待着他的重大突破。