shaky：不穩定的
But the evidence for mr mantega's case is pretty shaky.
但曼特加先生的論據是相當不可靠的。
The shaky finances of some municipalities could put what's left of the industry to another huge test.
一些市政府不穩固的財務狀況可能使這個行業剩下的公司面臨另一個巨大的考驗。

cheat on: 不忠于(妻子或丈夫)
Why do men cheat on their wives?
男人們為什么要欺騙他們的妻子呢？
If you ever cheat on me, at least do it with someone you don't know.
如果你對我不忠，至少要跟個你不認識的人。

for all I care: 【口語】與我無關，關我什么事
Go down in flames with it for all I care!
繼續往火坑里跳吧與我無關了!
Wait till it's plumb dark, for all I care.
那就等到天全黑吧，又與我無關。