regard as unimportant
As a Chinese idiom, Pinyin is d ěě ngxi á NSH ì zh ī, which means to take it as a normal thing and not pay attention to it. From the romance of the Three Kingdoms by Luo Guanzhong of Ming Dynasty.
The origin of Idioms
The 95th chapter of romance of the Three Kingdoms written by Luo Guanzhong in Ming Dynasty: "don't take it lightly and lose my great things."
Idiom usage
However, there are some examples of this kind, which are quite numerous and harmful. Mao Zedong's "transforming our learning"
Analysis of Idioms
Antonym: it's a big deal, a big deal, a serious matter, a big joke
regard as unimportant
weigh up one thing against another - quán héng qīng zhòng