His mood inclined to melancholy and retrospection.
他不禁感慨系之，俯仰今昔起来。
An Artistic Perspective of GUI You-guang s Foreword Writings as Prose;
评说世事,感叹今昔——归有光赠序文小探
Past and Present of Government House,Macao--In Memory of the Tenth Anniversary of Macau's Return to Motherland
澳门总督府今昔——纪念澳门回归十周年
Original compositions were turned out for the flute by Lu Chunling (Past and Present) and Liu Guanle (The Bird in the Shade);
创作曲目方面，笛曲有陆春龄《今昔》、刘管乐《荫中鸟》，
The once barren hillsides are now good farmland.
昔日荒坡，今日良田。
I am not now that which I have been
今日之我已非昔日之我
"Reflecting on the past in light of the present, one should bear in mind where his/her happiness comes from."
抚今追昔,饮水思源。
That which is bitter to endure may is sweet to remember.
昔日难熬苦，今日思之甜。
SUMMER is not what it was in Madrid.
马德里的夏季如今已是今非昔比了。
The formerly [once] barren land has been changed into stretches of fertile fields.
昔日的荒地今天成了良田。
The city, a tiger crouching, a dragon curling, outshines its ancient glories; in heroic triumph heaven and earth have been overturned.
虎踞龙盘今胜昔,天翻地覆慨而慷
Stay out O.P.B. for the shoe is on the other foot now.
少管闲事，今非昔比，情况变了。
The social structure has changed beyond recognition.
社会结构已变得面目全非，今非昔比。
We no longer see the old homely life from within, but from the outside.
昔日平凡的事物成为今日诗歌的主题。
A former loafter, he is now an advanced worker.
他这个昔日浪子, 今日成了先进工作者。
I saw my old flame for the first time in five years today.
今天，我遇到了５年不见的昔日恋人。
Greene shook his head. "The Corleone Family don't have that much muscle anymore.
格林摇摇头：“考利昂家族的政治威望今不如昔了。
The gloss of novelty being gone, that which was once thought unparalleled proves only ordinary(oft said of women.
失去了光泽，昔日独秀而今日平平（通常指女人）