Money is tight.是什么意思？

Money is tight.

银根很紧。

money

n. 钱，财富，薪水，款项；

例句
He has spent money with gay abandon...
他肆意挥霍钱财。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

tight

adj. 紧的，牢固的，绷紧的，不漏的，密集的，紧凑的；adv. 紧紧地，牢固地；

例句
His father kept a tight grip on his collar in case he should make a bolt for the door.
他的父亲紧紧抓住他的衣领，防止他夺门而逃。