hú lún tūn zǎo
囫囵吞枣

Meaning:the character “囫囵(hú lún)”means the whole,”吞(tūn)“ means swallow,“枣 (zǎoto)”means dates.The original meaning of the proverb is that swallowing dates whole.Now it means lapping up information without digesting it or reading without
comprehension.

For example:

Dú zhè fēng yóujiàn yào xìjiǎo mànyān,bù néng húlúntūnzǎo .
读这封邮件要细嚼慢咽,不能囫囵吞枣.
You must read the email carefully, and not gloss over them without properly digesting them.

Tā yòng shífēnzhōng jiù húlúntūnzǎo de kànwán yī piān xiǎo shuō .
他用十分钟就囫囵吞枣的看完一篇小说.
He read the novel in ten minutes without comprehension.

Quick Test

学习语文与其()读十部诗集,不如仔仔细细地背诵三百首诗.
A.细嚼慢咽
B.囫囵吞枣
C.寻根究底