The phrase "So much for relaxing after work!" in the first paragraph means: Now I cannot relax after work! / I will spend a long time relaxing after work! / Relaxing after work takes so much time!

Перевод задания: Фраза «So much for relaxing after work!» в первом абзаце означает:

Correct answer: Now I cannot relax after work!

Перевод: Теперь я не могу расслабиться после работы!

The expression “So much for …” shows that an expected plan or idea has failed.