Meaning of jú:
局
narrow; office; situation
Zhè tiáo jiēdào hěn jú, xǔduō chē hěn nán tōngguò.
这条街道很局,许多车很难通过。
This street is very narrow, and it is hard for many cars to pass through.
Tā zhèngzài guójiā ānquán jú gōngzuò.
他正在国家安全局工作。
He is working at the National Security office.
Dāngqián de júshì hěn fùzá.
当前的局势很复杂。
The current situation is very complex.
classifier for games: match, set, round etc
Jīntiān wǒmen hé péngyou dǎle sān jú májiàng.
今天我们和朋友打了三局麻将。
Today we played three rounds of Mahjong with friends.
cramped; narrow
Zhège fángjiān hěn jú.
这个房间很局。
This room is very cramped.