give one much food for thought; be thought provoking; be intriguing 該國(guó)對(duì)鄰國(guó)的導(dǎo)彈計(jì)劃反應(yīng)異常強(qiáng)烈，這很～。That country made an unusually strong reaction to its neighbor’s missile program.That was quite revealing.
耐人尋味nài rén xún wèi
耐：禁得起；尋味：仔細(xì)體會(huì)。意味深長(zhǎng)，值得仔細(xì)體會(huì)。afford food for thought, rich in meaning, intensely interesting, thought-provoking