"longing look" is a perfectly correct phrase to use in written English.
It is typically used to describe a look that conveys a feeling of longing or deep desire. For example: He gave her a longing look, desperately hoping she would agree to a date.
Expressions of sexual longing look like seizures.
Like the book itself, the twins take a longing look back into the past with their feet planted firmly in the present.
"¡Uno!" (Reprise), the first part of a planned trilogy, is the stubborn new Green Day album, distinct from the earliest of that band's albums only for the faint use of technology and the longing look at the past deployed throughout.
When Yentl (Eleanor Reissa), in the guise of Anshel (the name she assumes as a man) steals a longing look at Avigdor (Tzahi Moskovitz), who is supposed to be his best friend, the secret she carries becomes less moving for its evocation.
Whether we scry into the past, or take a longing look abroad, the answer seems to be the same: successful social movements thrive and avoid the limits of spontaneity and bureaucratic routine on the basis of tenaciously constructed infrastructures, unions, parties, organisations of political combat linked to grassroots democracy.
I took one last longing look into the mirror.
Good to know that it won't all be longing looks and love-ins then.
But you will enjoy a pleasurably swelled head from the longing looks that come your way.
She ignored his longing looks, and rebuked his confused attempts to single her out in a crowd.
As the sun beat down on his dark suit, he kept casting longing looks toward the empty swimming pool.
So Nazi uniforms and longing looks, all in one of the finest British movies made.
