1 a single day apart seems like three seasons (idiom)
一日不见，如隔三秋
yī rì bù jiàn , rú gé sān qiū
1 one day apart seems like three years (idiom)
一日之计在于晨
yī rì zhī jì zài yú chén
1 make your day's plan early in the morning (idiom)
2 early morning is the golden time of the day
一日之雅
yī rì zhī yǎ
1 lit. friends for a day (idiom)
2 fig. casual acquaintance
一日千里
yī rì qiān lǐ
1 lit. one day, a thousand miles (idiom); rapid progress
一日为师，终身为父
yī rì wéi shī , zhōng shēn wéi fù
1 lit. teacher for one day, father for ever (idiom)
丈二和尚，摸不着头脑
zhàng èr hé shang , mō bu zháo tóu nǎo
1 lit. like a three-meter high monk, you can't rub his head (idiom)
2 fig. at a total loss
三个和尚没水喝
sān gè hé shang méi shuǐ hē
1 lit. three monks have no water to drink (idiom)
2 fig. everybody's business is nobody's business
3 (If there is one monk, he will fetch water for himself. If there are two, they will fetch water together. But if there are three or more, none will take it upon himself to fetch water.)
不可同日而语
bù kě tóng rì ér yǔ
1 lit. mustn't speak of two things on the same day (idiom); not to be mentioned in the same breath
2 incomparable
不见天日
bù jiàn tiān rì
1 all black, no daylight (idiom); a world without justice
世风日下
shì fēng rì xià
1 public morals are degenerating with each passing day (idiom)
今日事今日毕
jīn rì shì jīn rì bì
1 never put off until tomorrow what you can do today (idiom)
来日方长
lái rì fāng cháng
1 the future is long (idiom); there will be ample time for that later
2 We'll cross that bridge when we get there
做一天和尚撞一天钟
zuò yī tiān hé shang zhuàng yī tiān zhōng
1 lit. as a monk for today, toll today's bell (idiom)
2 fig. to do one's job mechanically
3 to hold a position passively
偷天换日
tōu tiān huàn rì
1 to engage in fraudulent activities (idiom)
2 skulduggery
3 to hoodwink people
4 to cheat sb audaciously
光天化日
guāng tiān huà rì
1 the full light of day (idiom)
2 fig. peace and prosperity
3 in broad daylight
冰冻三尺，非一日之寒
bīng dòng sān chǐ , fēi yī rì zhī hán
1 three feet of ice does not form in a single day (idiom); Rome wasn't built in a day
同日而语
tóng rì ér yǔ
1 lit. to speak of two things on the same day (idiom); to mention things on equal terms (often with negatives: you can't mention X at the same time as Y)