If one continues to cast an indifferent eye on / to turn a deaf ear to / to be blind to / to overlook the problem things are sure to go from bad to worse .
如果某人继续对这一问题漠然置之/置之不理/视而不见/忽视这一问题，情况/形势将肯定 与日 俱下。
How easy it is to go from bad to worse when once we have started upon a downward course !
只要我们一开始走下坡路， 越 变 越 坏可真容易呀！
美[tu ɡo frʌm bæd tu wɚs]英[tu: ɡəu frɔm bæd tu: wə:s]
病情/处境/行为越来越坏，每况愈下