We are much more able to "tune out" chronic background noise, even if it is quite loud, than toworkunder circumstances with unexpected intrusions of noise.
我们更容易忽略长期存在的背景噪音，即使它非常大声，而不是在有意想不到的噪音干扰的情况下工作。
2
R eact quickly and be ready toworkunder pressure
迅速作出反应，并准备好承受压力。
3
No one has any idea of the conditions we've had toworkunder.