早: early

早 zǎo

adjective | adverb | idiomatic expression
: be early
: long ago
: Good morning!

早 | はや haya

noun
: already; now; by this time

早 | はよ hayo

noun | adverb
: early

早い | はやい hayai

adjective
: fast; quick; hasty; brisk
: early (in the day, etc.); premature
: (too) soon; not yet; (too) early
: easy; simple; quick

早く | はやく hayaku

adverb | common expression
: early; soon
: quickly; swiftly; rapidly; fast
: quickly! (move it)

早さ | はやさ hayasa

noun
: speed; velocity; quickness; rapidity
: earliness

早め | はやめ hayame

noun
: early
: fast

早晨 zao3chen2 OR 早上 zao3shang: early morning

一大早 yin da4 zao3: at dawn; at first light; first thing in the am

早晚 zao3 wan3: morning and evening; sooner or later
[早晩 | そうばん souban: sooner or later; eventually]

早飯[饭] zao3fan4 [はやめし hayai mesh: fast eater; early meal] OR
早餐 zao3can1: breakfast
 
[朝ご飯 | あさごはん asagohan]

早點[点] zao3dian: light breakfast

早安 zao3an1: (greeting) Good morning!*

及早 ji2zao3: at the earliest possible time; asap

提早 ti2zao3: ahead of schedule; sooner than planned; to bring forward (to an earlier time)

遲[迟]早 chi2zao3: sooner or later

Japanese expression / idiom
*お早うございます | おはようございます ohayou gozaimasu
: (polite) Good morning!

早々 | そうそう sousou OR はやばや hayabaya
: as soon as…; just after…; immediately after…
: (Adverb) hurriedly; in haste; quickly; promptly; early

最早 | もはや mohaya: already; now; no longer; not any more

が早いか | がはやいか gahayaika
: no sooner … than …; hardly … when …

手が早い | てがはやい te ga hayai
: to be a quick worker
: to be fast in forming relationships with women
: to be quick to resort to violence

足が早い | あしがはやい ashi ga hayai
: to be fast at walking and running
: to be quick to spoil (of foodstuffs)

耳が早い | みみがはやい mimi ga hayai
: being quick-eared; having sharp ears; being first to know about something

早い事 | はやいこと hayai koto: quickly

早い者勝ち | はやいものかち hayai mono kachi
: first come, first served

早い話が | はやいはなしが hayai hanashiga
: in short; in a nutshell; in a word; to cut a long story short

出来るだけ早く | できるだけはやく dekiru dake hayaku: asap

Chinese idiom
早日康復[复] zao3 ri4 kang1 fu4
: Get well soon!; to recover health quickly

早生貴[贵]子 zao3 sheng1 gui4 zi3
: give birth to a son soon (propitiatory compliment to the newly-weds)

早知今日何必當[当]初 zao3 zhi1 jin1 ri4 he2 bi4 dang1 chu1
: if I (you, she, he…) had known it would come to this, I (you, she, he…) would not have acted thus; to regret vainly one’s past behavior