鹘仑吞枣（鶻崙吞棗）　

◎ 鹘仑吞枣 húlún-tūnzǎo

(1) [swallowed a date whole]∶鹘仑:同“囫囵”,整个的。把枣整个儿吞下去,不辨滋味

(2) [to do a thing without thought;to read without doing any thinking for oneself]∶比喻理解事物笼统含混或学习时生吞活剥,对所学的东西并不理解

今动不动便说个本末精粗无二致,正是鹘仑吞枣。——宋· 朱熹《答许顺之书》