be (/feel) bewildered(/staggered/puzzled); get into knots; be in perplexity; be at a loss
? 一時(shí)，他很難估透八路軍的來(lái)意，所以也不知該從哪里說(shuō)起好，用～心神不安的一雙眼睛，從臉到手，從手到臉，上上下下沖趙慶田、賈正連著打量了好幾遍。(馮志《敵后武工隊(duì)》440) He could not figure out and therefore did not know where to begin.His eyes darted back and forth between their faces and their hands several times. He was both puzzled and uneasy.
困惑不解kùn huò bù jiě
迷惑、不明白。be at a loss, get into knots, in perplexity, feel puzzled, be in a fog