The two sets of traffic lights were out of phase (ie did not show the same change at the same time) and several accidents occurred. 那兩組交通燈不同步因而發生了幾起事故。
He had to make a quick change at Shanghai. 他不得不在上海匆忙換車。
He had to make a quick change at Crewe. 他得在克魯迅速換車。