s totally unlikely
a. 不能想象的, 不可思议的
1. The loss of her pet was unimaginable for her.
她失去宠物的痛苦对她来说是无法想象的。
2. The amount of money he won in the lottery was unimaginable.
他在彩票中赢得的金额是无法想象的。
3. They faced unimaginable challenges during their journey.
在他们的旅程中，他们面临着难以想象的挑战。