已久 is an adverbial phrase meaning 'for a long ti

'已经' (yǐjīng) is an adverb meaning 'already'

左右 literally means 'left and right', but as an a

始于 is a prepositional phrase meaning 'begins at'

‘问号’ (wèn hào) literally means ‘question ma

千年 literally means 'thousand years' and function

共计 is an adverb meaning 'in total' or 'altogethe

介乎 is a formal preposition meaning 'to lie betwe

‘Zhēng shuò’ literally combines ‘zhēng’ (th

‘Zhēng dàn’ literally means ‘the first day of

‘Zhēng yuè’ (正月) literally means ‘the first

'假日' (jià rì) literally combines '假' (jià),

‘日历’ (rì lì) literally means ‘day calendar

从前 (cóngqián) is an adverb meaning 'formerly'

‘两倍’ literally combines ‘两’ (two) and ‘倍

‘两样’ literally combines ‘两’ (liǎng), meani

'两小时' literally combines the numeral '两' (liǎ

以下 (yǐ xià) literally combines 以 (yǐ, 'by' o

'以上' literally combines '以' (yǐ), meaning 'by'

‘以来’ (yǐ lái) is a time-related preposition

A shí yīng zhōng (quartz clock) is a timekeepin

‘座钟’ (zuò zhōng) is a noun referring to a fr

‘挂钟’ literally means ‘to hang + clock’ — it

‘电钟’ (diàn zhōng) literally means ‘electric

'闹钟' literally combines '闹' (nào), meaning 'to

‘时钟’ (shí zhōng) literally means ‘time bell

前期 literally means 'front period' — 前 (qián)

周期 (zhōu qī) literally combines 周 (zhōu), me

‘逾期’ literally means 'to exceed the period' —

期限 (qī xiàn) is a compound noun meaning 'deadl

每月 (měi yuè) literally combines 每 (měi), mea

‘月份’ (yuè fèn) is a noun meaning ‘month’ a

‘月亮’ (yuè liàng) is the most common colloqui

‘昨宵’ is a classical and literary term meaning

‘昨儿’ (zuór) is a colloquial, contracted form

‘昨夜’ literally combines ‘昨’ (zuó), meaning

'昨晚' literally combines '昨' (zuó), meaning 'ye

昨日 literally means 'the day before today' — 昨

'Yesterday' is a time noun and adverb formed by co

‘星期’ (xīngqī) means 'week' — a seven-day cy