undermine morale

Chin up! Give them hell! a kick up the arse a kick up the backside a pep talk a shot in the arm active encouragement agitate arouse arouse curiosity arouse hostility arouse resentment arouse suspicion be actuated by be tripping over yourself

العزيمة والمثابرة الإحباط والتثبيط الإثارة والتحريض ورد الفعل