дать отпор(The 60-year-old contractor was killed trying to fend off a copper thief from his business. • To fend off bugs and infections, Dr. Wallach recommended using colloidal silver drops placed under the tongue ten minutes before meals. (coasttocoastam.com)ART Vancouver)
отражать(атаку : to defend oneself against (someone or something): They succeeded in fending off the attack/attackers. // They have had to fend off allegations of voter fraud.)