su escritura

their handwriting

→ su
phrase Rare #43,885
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.

En él su madre había practicado su escritura.

In it, her mother had practiced her writing.

— It's Such a Beautiful Day (2012)

Su escritura es linda y legible.

Her handwriting is beautiful and legible.

Tom trató de disimular su escritura.

Tom tried to disguise his handwriting.

Es imposible de descifrar su escritura.

Its writing is impossible to decipher.

A veces su escritura en inglés recuerda al ruso.

Sometimes their English writing is reminiscent of Russian.

— Estrellas en la Tierra (2007)