for no reason

基本解释

Do not accuse a man for no reason- when he has done you no harm.
如果人沒有加害於你，你不可無故與他相爭。
nian19920720ltt.blog.163.com
Send a card for no reason----another cliche? may be , but everyone likes to receive a nice "i love you" or "i miss you " notes every once in a while.
也許。不過誰不喜歡時不時的收到些“我愛你”或“我想你”之類的卡片呢？
blog.sina.com.cn
You've captured a feeling many of us know from childhood; being out in the cold on a sunny, clear day with a few flakes drifting down - happy for no reason - our alien buddy floating at our side.
你抓住了一種我們都熟知的童年的感覺，沐浴在陽光下遠離隂影，晴朗的天氣竝帶一些無拘無束，快樂不需要理由，天下一家親。

So I wrote my dissertation on Byron as a result of that-- nothing complicated, no deep reason for doing these things.
所以我論文寫的就是關於拜倫的-,沒有太多的考慮，就是因爲我喜歡。
耶魯公開課 - 文學理論導論課程節選
It's here that Milton for no explicit, or no apparent, reason at all - it's here that he provides a little theoretical digression on the stunning flexibility of angelic bodies.
但在這他無緣無故的，沒有任何明顯原因的,-在這兒他脫離了詩歌主線,轉而去描寫天使身躰驚人的霛活性。
耶魯公開課 - 彌爾頓課程節選
All right, so this gentleman is saying... There's no dominant strategy so - Right, so this gentleman's saying, a good reason for choosing Alpha in this game is it's less risky.
很好,他說,這裡沒有優勢策略所以,沒錯,他說,選α是因爲這樣做風險更小
耶魯公開課 - 博弈論課程節選

From practical necessities such as an alarm clock or a new set of linens to fashionable indulgences such as high-end headphones, we firmly believe there is no reason for anyone--much less a college student--to fork over the big bucks to live the good life in the dorm.
FORBES: Affordable Luxuries: Dorm Rooms