heart attack 
病发作 attack on 攻击
under attack 受到攻击；在攻击之下
main attack 主攻；攻击主力
angle of attack 攻角；迎角；冲角
surprise attack 奇袭，突然袭击；突袭
(make a) surprise attack 袭击
air attack 空袭
attack angle 攻角；迎角；冲角
counter attack 反攻，逆袭
sudden attack 奇袭
suicide attack 自杀式袭击
nuclear attack 核攻击
personal attack 人身攻击
panic attack 惊恐发作（一种病症）
chemical attack 化学侵蚀
come under attack 遭抨击，受到打击
attack on pearl harbor 偷袭珍珠港
cyber attack 网络攻击
sneak attack n. 偷袭
