分不清楚

can't tell apart

→ 分
phrase Rare #30,767
can't tell apart Used when someone cannot clearly distinguish between things or people.
CH: 我分不清楚这两个颜色。
EN: I can't tell these two colors apart.

这样雨浇在脸上才分不清楚哪是雨水哪是泪水

That way, when the rain pours onto your face, you can’t tell what’s rain and what’s tears.

— Hi, Mom (2021)

我也分不清楚了

I can't tell either.

— 青春年少 (1998)

连自己婆婆都分不清楚

You can't even tell your own mother-in-law apart.

— 千与千寻 (2001)