我很紧张。
wǒ hěn jǐnzhāng
I'm nervous.
考试前大家都很紧张。
kǎoshì qián dàjiā dōu hěn jǐnzhāng
Everyone is nervous before the exam.
人手很紧张。
rénshǒu hěn jǐnzhāng
There are too few staff.
时间紧张。
shíjiān jǐnzhāng
Time is tight.
