su escritura

their handwriting

→ su
phrase Rare #44,091
their handwriting Used for the way someone writes by hand; in context it refers to handwriting, not written style or literature.
SP: No puedo leer su escritura.
EN: I can’t read his handwriting.

A veces su escritura en inglés recuerda al ruso.

Sometimes their English writing is reminiscent of Russian.

— Estrellas en la Tierra (2007)

En él su madre había practicado su escritura.

In it, her mother had practiced her writing.

— It's Such a Beautiful Day (2012)

Es imposible de descifrar su escritura.

Its writing is impossible to decipher.

Tom trató de disimular su escritura.

Tom tried to disguise his handwriting.

Su escritura es linda y legible.

Her handwriting is beautiful and legible.