塞车 /sāichē/ angolul

gridlock▼(on a smaller scale)
noun
[UK: ˈɡrɪd.lɒk] [US: ˈɡrɪd.ˌlɑːk]

traffic jam [traffic jams]▼(situation in which all road traffic is stationary or very slow)
noun
[UK: ˈtræ.fɪk dʒæm] [US: ˈtræ.fɪk ˈdʒæm]