涣散的英文：
lax; slack

参考例句：

Be lax in discipline
纪律涣散

The strict army discipline tends to relax a bit before Christmas.
圣诞前严厉的部队纪律总是有点涣散。

I judge our conduct in the EC-121 crisis as weak, indecisive, and disorganized.
我认为我们对EC-121危机的处理是软弱的，举棋不定的，而且是涣散的。

lax是什么意思：
adj. 松懈的；松弛的
n. 泻肚；松元音

I was lax in my duties.
我对本职工作马虎松懈。

Such a lax and haphazard organization was inherently corrupt
这样一个松散、随意凑合的机构从骨子里就是腐败的。

They seemed to him so lax, so nearly worldly.
他们在他的眼里是那样随随便便，那样近于世俗。

Loose skin can be compounded by underlying lax muscle.
皮肤下的肌肉松弛也会致使皮肤松弛。

A laxative drug obtained from the processed juice of a certain species of aloe.
芦荟油从某种加工过的芦荟汁中提取的一种泻药

slack是什么意思：
n. 煤屑；宽松裤
adj. 松弛的；疏忽的；清淡的
v. 松懈，放松，使缓慢

The slacks have an elastic waistband.
这条便裤的腰带可伸缩。

Not taut, firm, or compact; slack.
松弛的不紧、不严密或不坚实的;放松的

I have never saw a pair of slacks that have very much slack in them.
我从未见过裤子上有多少松垂之处。

The result are called complementary slackness conditions
这个结果称为互补、松弛性条件。

She was shocked at the slack discipline in the school.
对于学校松弛的纪律她感到震惊。