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At the right time, it was pronounced sh ì D ā ngq í sh í. It is an idiom, which refers to the chance. It comes from Cao Tang Shi Hua by Cai Mengbi of Song Dynasty.
The time is right
[pronunciation] sh ì D ā ngq í sh í
It's just the right time.
[source] Volume I of Cao Tang Shi Hua written by Cai Mengbi of Song Dynasty: "on Shaoyou in Huaihai and Qin Dynasty, it is said that Du Zimei's contribution to poetry is just the right time to accumulate the strength of mass flow."
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will not refuse under any circumstances - zài suǒ bù cí
get rid of the old to make way for the new - chú huì bù xīn