expression
this way and that; by various means; every trick in the book
Used when someone tries many different methods or approaches, often with a sense of resourcefulness or persistence. Frequently appears with verbs like 使う, 試す, 尽くす.
あの手この手を使って説得したが、彼は首を縦に振らなかった。
I tried every possible way to persuade him, but he wouldn't agree.
あの手この手で節約しても、なかなか貯金が増えない。
Even though I try all sorts of ways to save money, my savings just don't grow.