Unreckonable
a. 不可计算(或估计)的, 难预测的
🗣️ 情景例句
Not to worry.
别担心。
We always open Christmas present on Christmas morning.
我们通常在圣诞节早晨打开圣诞礼物。
Over a year passed before the first attempt was made.
然而一年多过去了才有人出来尝试。