deep blue

• 藏青

deep blue的用法和样例：

例句

1. His enemy was close behind him, and the bridge over the ravine was rotten and swaying. Caught between the devil and the deep blue sea, he hesitated.
   敌人就在背后，而前面横跨在深谷之上的桥已经腐朽不堪，摇摇晃晃。他处在两难之中，犹豫了起来。
2. The sky is deep blue.
   天空是深蓝色的。
3. The sky was deep blue.
   天空是深蓝的。

词汇搭配

• between the devil and the deep blue sea 左右为难