1、constant

不断的;重复的;一直存在的

She suggests that women are under constant pressure to be abnormally thin.

她暗示说女性总是处在保持身材异常瘦削的压力之下。

Inflation is a constant threat.

通货膨胀始终是个威胁。

恒定物;常数；常量；常项

In the world of fashion it sometimes seems that the only constant is ceaseless change.

在时装界，有时似乎唯一永恒不变的东西就是不断的变化。

Two significant constants have been found in a number of research studies.

若干研究已经发现了两个重要常量。

恒定的;不变的

The average speed of the winds remained constant.

平均风速保持稳定。

2、stay out

(尤指该在家时)不在家;(晚上)不回家

That was the first time Elliot stayed out all night.

那是埃利奥特第一次彻夜未归。

I met some friends and stayed out until eleven or twelve.

我见了几个朋友，直到夜里十一二点才回家。

(工人)继续罢工

The electricians at the power stations went on strike and stayed out nearly five days.

发电厂的电工们举行了罢工，一直持续了近 5 天。