可想而知 predictable
Explanation
不用说明就能想象得到。
It can be imagined without explanation.
Origin Story
话说唐朝时期，有个名叫李白的诗人，他非常喜欢喝酒。一天，他和几个朋友在长安城郊游玩，喝了不少酒。酒过三巡，李白兴致勃勃地开始吟诗作赋，完全忘记了时间。这时，他的上司派人来催促他，说他因饮酒耽误了公务。李白醉醺醺地回到家中，心里很是不痛快。他想到自己被上司责备，半年的俸禄还要被扣，心中别提多难受了。朋友们见到李白这样，都表示同情，说李白的遭遇可想而知。
It is said that during the Tang Dynasty, there was a poet named Li Bai who was very fond of drinking. One day, he and several friends went on an outing to the suburbs of Chang'an and drank a lot of alcohol. After three rounds of drinks, Li Bai, in high spirits, began to compose poems and write, completely forgetting the time. At this time, his superior sent someone to urge him, saying that he had neglected his official duties due to drinking. Li Bai returned home drunk and was very unhappy. He thought about being reprimanded by his superior and having half of his salary deducted for six months, and he was extremely unhappy. When his friends saw Li Bai like this, they expressed sympathy, saying that Li Bai's plight was self-evident.
Usage
可想而知常用来推测或表达某种结果或状况是显而易见的，无需详细解释。
'Kexiang'erzhi' is often used to speculate or express a result or situation that is self-evident and requires no detailed explanation.
Examples
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这场比赛的结果可想而知，他们实力悬殊太大。
zhe chang bisai de jieguo kexiang'erzhi, tamen shili xuanshu tai da.
The outcome of this game is predictable; their strength is too disparate.
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从他憔悴的面容，可想而知他经历了什么。
cong ta qiaocui de mianrong, kexiang'erzhi ta jingli le shenme.
From his haggard appearance, one can imagine what he has been through.