Oh, how we cannot laugh freely in this garden, even if 'Mir' had just a moment's leisure.

This profound couplet speaks to the universal feeling of emotional constraint. The poet feels trapped in a situation—the 'garden'—where genuine happiness (open laughter) is impossible. He yearns for a moment of pure, unburdened leisure ('fursat'). It's a poignant reflection on how life's pressures often silence our joy, making us crave just a single breath of freedom.