警惕: to be on the alert, vigilant, alert, on guard, to warn...
绝望: to despair, to give up all hope, desperate, desperation...
常: always, ever, often, frequently, common, general, constant...
牛仔裤: jeans...
挤: to crowd in, to cram in, to force others aside, to press, to squeeze, to find (time in one's busy schedule)...
