compliment — A compliment is a polite remark that you say to someone to show that you like their appearance, appreciate their qualities, or approve of what they have done.
fail — to fall short of success or achievement in something expected, attempted, desired, or approved: The experiment failed because of poor planning.
guard — to keep safe from harm or danger; protect; watch over: to guard the ruler.
lose — to come to be without (something in one's possession or care), through accident, theft, etc., so that there is little or no prospect of recovery: I'm sure I've merely misplaced my hat, not lost it.
protect — to defend or guard from attack, invasion, loss, annoyance, insult, etc.; cover or shield from injury or danger.
praise — the act of expressing approval or admiration; commendation; laudation.
surrender — to yield (something) to the possession or power of another; deliver up possession of on demand or under duress: to surrender the fort to the enemy; to surrender the stolen goods to the police.