Idioms with four words used together

One by one (lù lù xù xù)

Explanation: it means that there is first, and then there is an interval.

Source: Li Qingruzhen's "Mirror Flower Edge" 66: "From the first gun to the 37 th gun, although there is a continuation inside and outside, it is not very interrupted; What do you mean by stopping for a long time at this time? "

Example: in this way, things are confused, and it is simply a confused account. ★ Levin's Biography of Hu Xueyan Lights and Towers

interim

Explanation: It continues all the time.

Source: Lu Xun's "To Tai Jingnong": "Moreover, the printed copies received are intermittent and boring."