for certain=certainly吗?

for certain=certainly吗? know for certain是什么意思? for certain reason还是for a certain reason standard deduction for certain filers certain certain certain for certain 是什么意思啊详细些啊 what are the causes for certain crimes for certain和certainly的区别为什么可以know for certain 而不是know certainly for sure 与 for certain 有什么不同 All i really know for certain 如题~ we have reached a certain respect for each other Your experience of entering for a certain kind of competition . Most of us grow up taking certain for granted. sure ,for certain 与certainly的具体区别 are you certain ____ the facts? A about B for The limitis the limit of a right Riemann sum for a certain definite integralusing a partition of the interval into subintervals of equal length,wheref(x) =