一人で (alone, by oneself)

She raised three children on her own.

She's muttering to herself.

She wanted to be alone.

She lives all alone in an absurdly big house.

I think walking alone at night is dangerous.

She told me I shouldn't go there alone.

She likes going for walks by herself.

She isn't old enough to travel abroad on her own yet.

She went to Mexico by herself.

She can't do anything on her own.

She carried that table all by herself.

She lives alone in an apartment.

She had no choice but to go alone.

She did it entirely on her own.

She's old enough to travel alone.

It's preferable for her to do it alone.

She promised she wouldn't go out alone.

She carried this table by herself.

She has been living alone for a very long time.

She spent the weekend alone.

She did the job by herself.

Yumi went there by herself.

She decided to go shopping by herself.

She lives in this house by herself.

She came on her own.

She lives alone in that room.

She used to live there alone.

She went there alone.