海警的英文：
coast guard
n. 海岸，沿海地区
v. 沿...岸航行；滑行；进展顺利
The university is out to raid faculties from coast to coast.
那所大学要到全国各地去挖教授。
Typhoon swept across the coast.
台风袭击了沿海地区。
The coast was barely distinguishable in the mist.
在雾中很难看清海岸。
The path lies along the coast.
路线沿着海岸展开。
There is no safe landing on that coast.
那一带海岸没有安全的登陆处。
n. 卫兵；护卫队；守卫；警戒；防护装置；列车长
v. 看守；监视；控制；防范
guarding position
防守位置
a guarded answer
谨慎的回答
...the Irish Guards
...爱尔兰近卫团
a security guard
安全警卫
The sentry is on guard.
那哨兵在站岗。