（船东）出于方便而以悬挂别国国旗给船舶注册，（船东在别国）以方便旗的名义给船舶注册

flags out───发出信号

flat out───v.竭尽全力；用全速；疲惫

flag smut───[植保]秆黑粉病

flake out───入睡；昏倒

flame out───突然冒火焰

drag out───拖延

flag up───指出

log out───注销；退出系统

flagged out───发出信号

It seems to me I heard that back in 1936, about 400 people in Lake Wobegon put on red, white and blue caps and they formed what they called the living flag out on Main Street.───我好像听说早在1936年，在沃比根湖大约有400人戴着红、白、蓝帽，他们在大道上排成所谓的活人国旗。

Why have so many people stuck a flag out?───为什么这么多人都在外面挂一面旗帜?

The first part: Flag out Attention, please!───第一项：出旗！全体立正！

Then every year of this day, people put the flag out to celebrate.───所以每年的这天, 人们升起国旗庆祝.

guard waved his welcome flag, the engine-driver whistled in cheerful response, and the train moved out of the station.───挥动着他受欢迎的小旗，火车司机愉快地鸣笛作为回答，火车驶出了车站。

They broke in, smashing windows and doors and draping a flag out a second-floor window.

Such operation causes a great number of ships in traditional maritime countries to flag out, resulting in the prevalence of flag of convenience.