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Terms for subject American usage, not spelling containing in the hole | all forms | in specified order only
| English | Chinese |
| an ace in the hole | 备用的有效办法 |
| an ace in the hole | 在患难中可以依靠的朋友 |
| an ace in the hole | 应急的法宝 |
|
| English | Chinese |
| an ace in the hole | 备用的有效办法 |
| an ace in the hole | 在患难中可以依靠的朋友 |
| an ace in the hole | 应急的法宝 |