Congested: crowded; full of vehicles or traffic 拥挤的;挤满的;(交通)堵塞的,拥塞的 ~ (with sth)
congested city streets 交通拥塞的城市街道
Many of Europe's airports are heavily congested. 欧洲许多机场都十分拥挤.
Stressful: causing a lot of anxiety and worry 压力重的;紧张的 adjective
a stressful job/situation/lifestyle 繁重的工作;艰难的处境;紧张的生活方式
It was a very stressful time for all of us. 对于我们所有人来说,那都是一段艰难时期.