在意: to care about, to mind...
优惠: privilege, favorable (terms), preferential (treatment), discount (price)...
真是的: Really! (interj. of annoyance or frustration)...
永久: everlasting, perpetual, lasting, forever, permanent...
许: to allow, to permit, to promise, to praise, somewhat, perhaps...
疗法: therapy, treatment...
延缓: to defer, to postpone, to put off, to retard, to slow sth down...
刺: thorn, sting, thrust, to prick, to pierce, to stab, to assassinate, to murder...
智力: intelligence, intellect...
打招呼: to greet sb by word or action, to give prior notice...
