aversion to, dig in one's heels (or toes or feet)

Much to the disgust of Italy and Portugal, the Dutch are digging their heels in over a deal to help afflicted countries in the euro zone ECONOMIST.COM The Dutch aversion to debt is angering euro zone partners lgeria's male-dominated ancien regime, known as "le pouvoir", is digging in its heels and clinging to power Embracing China, Facebook and Himself, Cambodia’s Ruler Digs In

By HANNAH BEECH

Hun Sen, the longest-ruling leader in Asia, has turned his back on Western aid and tightened his grip on Cambodia, with the blessings of Beijing.

The Straits Times Japan, Vietnam agree South China Sea ruling must be observed as China digs in heels The Straits Times Japanese Prime Minister Shinzo Abe arrives for the 11th Asem Summit in the Mongolian capital of Ulaanbaatar, on July 15, 2016. PHOTO: AFP.

California's Campus Movements Dig In Their Heels

By JENNIFER MEDINA

The Occupy movement, on California college campuses, at least, is transforming itself into a student-led crusade against increases in tuition.

dig in one's heels (or toes or feet)

Resist stubbornly; refuse to give in:officials dug their heels in on particular points

dig your heels in
It means to "take a stand". Be ready to defend your position.