adj.不轉(zhuǎn)動的(未翻轉(zhuǎn)的;沒有轉(zhuǎn)向的)
Of course, social science research is almost never conclusive. There are always methodological difficulties and stones left unturned. 當(dāng)然,社會科學(xué)的研究幾乎從來沒有結(jié)論??偸怯蟹椒ㄉ系睦щy和人事未能盡到的情形。
The police left no stone unturned in their search for the missing child. 警察為了尋找這個失蹤的兒童,使用了一要手段。