Definition
having a guarded but hopeful feeling about a future outcome or situation, suggesting that there is a possibility of a positive result, although not guaranteed.
慎慎乐观
Despite the mixed economic data, we remain cautiously optimistic about the company's performance in the coming year.
尽管经济数据好坏参半，我们对公司来年的表现仍保持谨慎乐观。
After hearing both sides of the story, the arbitrator expressed being cautiously optimistic about reaching a settlement.
在听完双方的说法后，仲裁人对达成和解表示谨慎乐观。
Despite the numerous challenges, she is cautiously optimistic about the long-term prospects of the startup.
尽管面临许多挑战，她对这家初创公司的长期前景保持谨慎乐观。