Word: 先后 (xiānhòu) Traditional: 先後 先后 dictionary entry xiānhòu early or late; in succession Full dictionary entry for 先后 Example sentences using 先后 2 sentences, showing page 1 of 1. 排队要讲先后，不能插队。 Páiduì yào jiǎng xiānhòu, bùnéng chāduì. In a queue you go by order of arrival, so no cutting in. 这两件事要分个先后。 Zhè liǎng jiàn shì yào fēn gè xiānhòu. You need to decide which of these two things comes first.