das alleine kann

can do that on their own

→ das
phrase Rare #41,963
can do that on their own Used when saying someone is capable of doing something without help.
GE: Bist du dir sicher, dass Maria das alleine kann?
EN: Are you sure Maria can do that on her own?

Tom ist jetzt so alt, dass er das alleine kann.

Tom is now old enough to do this on his own.

Seid ihr euch sicher, daß Maria das alleine kann?

Are you sure Maria can do this alone?

Bist du dir sicher, daß Maria das alleine kann?

Are you sure Maria can do this alone?

Ich glaube nicht, dass ich das alleine kann.

I don't think I can do this on my own.