什么是 deadly?Causing or tending to cause death: deadly weapons; a deadly spill of radioactive waste products. See Synonyms at fatal.Suggestive of death: a deadly pallor. Aiming or wanting to kill; implacable: deadly enemies. Destructive in effect: gave the film a deadly review. Tending to take away vitality, effectiveness, or force: the deadly habit of procrastination. Absolute; utter: deadly concentration. Extreme or terrible: worked under deadly strain. Extremely accurate; unerring: She is a deadly shot with the bow. Dull, tedious, and boring: a deadly prose style. So as to suggest death.To an extreme: deadly serious.