1.
Adhering to Beliefs--No sorrow Means Happiness--On the Outlook of Suffering and Happiness in Confucian School of Idealist Philosophy of the Ming Dynasty;
践行义理,不忧即乐——论明代理学中的苦乐观
2.
Whether one's situation feels bitter or sweet is often subjective.
一个人的处境是苦是乐常是主观的。
3.
a cry of joy (pain, etc.)
欢乐（痛苦）的叫声
4.
I've learned..... That when you harbor bitterness, happiness will dock elsewhere.
我学到......当你接受痛苦﹐乐不会来到。[观和自信﹐畏横逆。
5.
I really admire her indomitable optimism and can-do spirit.
我实在佩服她不屈不挠的乐观态度和苦干的精神。
6.
The Pain and Happiness of Will--On the Difference between Schopenhauer’s concept of philosophy and Nietzsche’s
意志的痛苦与快乐——论叔本华和尼采哲学观的差异
7.
"Other groups in the 1960s and early 1970s, such as the Rolling Stones, etc. attracted enormous audience with their elaborate, bizarre theatricality."
60年代和70年代初的其他乐队如滚石乐队等，以其苦心创作的怪异舞台表演吸引了无数观众。
8.
Pain past is pleasure.
过去的痛苦就是快乐
9.
bitter-sweet experiences/memories
苦乐交织的经历 [回忆]
10.
Playing the zither under a Chinese pistache tree/seeking happiness from Bitterness
黄连树下弹琴,苦中作乐
11.
Take a pain for a pleasure all wise men can .
智者均能以苦为乐。
12.
spasmodic periods of happiness followed by misery
时而快乐, 时而痛苦.
13.
Pleasure alloyed with pain.
欢乐因痛苦削弱了。
14.
Sadness and gladness succeed one another.
乐极生悲，苦尽甘来
15.
Joy is the antithesis of sorrow.
欢乐是苦恼的对立面。
16.
The choice rests with me: suffer or enjoy.
我可以选择，受苦或享乐。
17.
the pain of loneliness.
生活中有欢乐，也有痛苦。
18.
In the 16th century, theatre was all about entertaining the audience--so the plays of the time were full of blood, violence and painful deaths.
在16世纪，剧院的功能充其量是娱乐观众--所以那时的戏剧充满了流血、暴力和痛苦的死亡。