"grim gaze" is a correct and usable phrase in written English.
It can be used to describe someone's intense and serious facial expression or stare. Example: As he entered the courtroom, all eyes turned to the defendant with a grim gaze, knowing the severity of the charges against him.
Süss takes control of the duchy's treasury (thus enriching himself and the Duke), gains plenipotentiary power, flings the city gates open to Jews (who stream in under the grim gaze of the citizenry), overrides the authority of the local Council, and uses force (and an execution) to suppress dissent.
Right now, in this volatile region, mere mention of being from America — Obama's America — is enough to avert an armed soldier's grim gaze, defuse a mob's anger, soften an unyielding border guard or lower the demands from ubiquitous bribe-seeking policemen.
After a while, I found myself sitting across from Bareikis, who, with a grim and transfixing gaze, began to tell me about Afghanistan.
Like Grant Wood's "American Gothic," that iconic painting whose figures meet our inquiring gaze with a mask of grim self-containment, "Goodnight, Nebraska" offers a familiar portrait.
It's a grim reality; when body cameras focus their gaze on black and brown bodies and social media platforms readily police the words of black activists, the pursuit for justice becomes harder.
Photographed from below, the black-and-white portrait depicted a grim-faced Mr. Dylan, gazing downward with the look of a man passing before the casket at a funeral.
We can't turn away from videos of gruesome events that we view online - we have that same kind of grim curiosity that compels drivers to slow down and gaze at a fatal car crash".
When it slipped its leash – when she felt unsure, or with strangers, whose gaze she knew she was helplessly drawing – it was grim to watch.
I have gazed on the face of death innumerable times, witnessed it in all its grim manifestations.
