change tactics as the situation demands
As a Chinese idiom, Pinyin is Su í sh í sh ī y í, which means to take appropriate measures according to the situation at that time. It comes from the compilation of Nanjiao style watch.
The origin of Idioms
Wang Anshi of the Song Dynasty wrote in his book the compilation of Nanjiao Style Watch: "if you know the change by extrapolating the origin, you will have to examine it in the future; if you adjust it to the times, it will not be useless."
Idiom usage
Used as a predicate or attributive.
change tactics as the situation demands
with everything burned down and lying in ruins - yī piàn jiāo tǔ
The onlookers see clearly - dāng jú zhě mí,páng guān zhě qīng