YOU SAID:

When it seems they're headed for the final curtain

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終幕に向かっているように見えるとき

BACK INTO ENGLISH

When it looks like we're heading towards the end

INTO JAPANESE

終わりに向かっているように見えるとき

BACK INTO ENGLISH

when it looks like it's coming to an end

INTO JAPANESE

それが終わりに近づいているように見えるとき

BACK INTO ENGLISH

when it looks like it's coming to an end