for no reason

基本解释

Do not accuse a man for no reason- when he has done you no harm.
如果人没有加害于你，你不可无故与他相争。
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.
也许。不过谁不喜欢时不时的收到些“我爱你”或“我想你”之类的卡片呢？
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.
你抓住了一种我们都熟知的童年的感觉，沐浴在阳光下远离阴影，晴朗的天气并带一些无拘无束，快乐不需要理由，天下一家亲。

So I wrote my dissertation on Byron as a result of that-- nothing complicated, no deep reason for doing these things.
所以我论文写的就是关于拜伦的-,没有太多的考虑，就是因为我喜欢。
耶鲁公开课 - 文学理论导论课程节选
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.
但在这他无缘无故的，没有任何明显原因的,-在这儿他脱离了诗歌主线,转而去描写天使身体惊人的灵活性。
耶鲁公开课 - 弥尔顿课程节选
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,他说,这里没有优势策略所以,没错,他说,选α是因为这样做风险更小
耶鲁公开课 - 博弈论课程节选

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