go bad
变酸；开始腐坏
同义词
参考例子
1.Foods can go bad if they get too warm.
如果天气太温暖，食物就容易坏掉。
2.Left to themselves, things tend to go bad.
大凡事物，听其自然，只会每况愈下。
3.They usually go bad as soon as we are at sea.
我们在大海的时候，它们通常很快变坏。
英文解释
v.
1.stop operating or functioning
2.become unfit for consumption or use
网络释义
go bad
腐败; 变坏; 变酸; 变质;
go from bad to worse
每况愈下; 越来越坏; 越来越糟 每况愈下; 越来越糟;
go to the bad
变坏; 得病;
go down the drain go from bad to worse worse and worse
每况愈下;
to go bad
变坏（质）; 变酸 成语 英美片语成语; 变坏; 腐败;