旁敲側擊地打聽;轉彎抹角地謀取
fish for sth
to try to get sth, or to find out sth, although you are pretending not to
to fish for compliments / information轉彎抹角地謀取恭維/打聽情況
釋義來自《牛津高階英漢雙解詞典》第 9 版