whistling
Siempre lo encuentro silbando cuando trabaja en sus pinturas.
I always find him whistling when he works on his paintings.
Jim conducía su coche, silbando alegremente.
Jim was driving his car, whistling happily.
Él estaba silbando una melodía.
He was whistling a tune.
Tom estaba silbando una canción que su madre le enseñó.
Tom was whistling a song his mother taught him.
There's a man whistling over there.
Tom caminó por el sendero, silbando una melodía alegre.
Tom walked along the path, whistling a cheerful tune.