fly under the radar片语KK [flaɪ ˋʌndɚ ðə ˋreˏdɑr] /flaɪ ˈʌndɚ ðə ˈɹeɪˌdɑɹ/发音片语1低调行事、不引人注意、避开关注The startup flew under the radar for years before its sudden success.这家新创公司低调经营多年,之后才突然成功。2被忽略、未被察觉Several serious errors flew under the radar during the review.审查过程中有几个严重错误没有被发现。用这个字练口说→