众里寻他千百度 蓦然回首 那人却在灯火阑珊处
Zhòng lǐ xún tā qiānbǎidù mòrán huíshǒu nà rén què zài dēnghuǒ lánshān chù

having searched for him hundreds and thousands of times in the crowd, suddenly you turn back, and he is there by the dim light.