một cách bất ngờ

đột ngột

suddenly applied load

tải trọng tác dụng đột ngột

In a flash or a moment or a split second, all at once,instantly, instantaneously, momentarily, fleetingly, in thetwinkling of an eye, in a trice; quickly, abruptly, swiftly,speedily, rapidly: Suddenly, my whole life flashed before me.He suddenly realized why the head of MI6 had summoned him. 2 allof a sudden, out of the blue, unexpectedly, without warning, onthe spur of the moment, hastily, hurriedly, feverishly:Suddenly, she turned on her heel and stormed out.