Whether they were happy to have company or disturbed by the intrusion , i will never know 是不是他们会很开心能有人闯进来或是能有人陪伴呢，我不得而知。
The righteous man knows the rights of the poor ; the wicked man has no understanding of such knowledge 7义人知道穷人的权益；恶人没有聪明，就不得而知。
All of the victims were civilians and authorities say they don ' t know why the attack occurred 所有的受害人都是老百姓，这次袭击为何发生，政府也不得而知。
The righteous is concerned for the rights of the poor , the wicked does not understand such concern 箴29 : 7义人知道查明穷人的案恶人没有聪明、就不得而知。
Any of these effects might improve cognitive performance , though it ' s not known which ones are most important 上述这些方面均可提高认知能力，但哪些因素更重要尚不得而知。
There is this view in maths . measure word uses a fault , convey pretty good unknown . can weigh point - blank 数学里没有这个说法。量词用错，表达不错不得而知。直线能称一个吗。
It was unclear how the 300 - pound female siberian tiger escaped or how long it was on the loose 至于这只三百多磅的雌老虎怎么逃出笼子的，或者已经出逃多久了，现在仍不得而知。
Whether or not there was any undue pressure on these institutions , they did the right thing in the end 法院是否受到某方的不当压力不得而知，但最终他们还是做出了正确的裁决。
Sign - up now and get $ 50 free , this $ 50 will be added to free plan . you will earn 20 % of your free $ 50 every 2 weeks 注册就送50 ,是真的,不过究竟能否赚到钱,不得而知,有兴趣的可试试
