be (all) for the best

Apparently, his estranged wife…
*estranged wife 별거 중인 아내

He is a compulsive gambling addict.
*a compulsive gambling addict (행동) 상습적인[조절이 힘든] 도박 중독자

He is obviously throwing games with bookies to win money.
*throw a game 경기에 져주다; 승부를 조작하다
*bookie / bookmaker 마권업자

So she snitched on him.
*snitch on (A) to (B)
(A)를 (B)에게 일러바치다; 밀고하다

For what it’s worth,
(상대방에게 의견 혹은 정보 등을 제시할 때 쓸모의 여부를 떠나 개인적인 생각으로)
- 그냥 내 생각은 그렇다고 (뭐 그렇다는 얘기야)
- 도움이 될지 모르겠지만 (의미를 부여하자면)

That wife is an accomplice because she knew all that was going on when she was with him.
*accomplice 공범

be (all) for the best
(처음엔 안 좋은 것 같아도 결과로 봤을 때)
결국엔 잘한 일이다

We were in the military at the time and he was defrauding the government.
*defraud 사취하다 (사기를 치다); 속이다