| 殆 | dài | dangerous; perilous; endanger; almost; probably; only |
| 危殆 | wēi dài | grave danger; in jeopardy; in a critical condition |
| 丧失殆尽 | sàng shī dài jìn | to lose everything |
学而不思则罔，
思而不学则殆 | xué ér bù sī zé wǎng ,
sī ér bù xué zé dài | To learn without thinking is blindness, to think without learning is idleness (Confucius).; Learning without reasoning leads to confusion, thinking without learning is wasted effort. |
| 殆尽 | dài jìn | nearly exhausted; practically nothing left |
| 百战不殆 | bǎi zhàn bù dài | to come unscathed through a hundred battles (idiom, from Sunzi's Art of War 孙子兵法); to win every fight |
知己知彼，
百战不殆 | zhī jǐ zhī bǐ ,
bǎi zhàn bù dài | Know yourself and know your enemy, and you will never be defeated (idiom, from Sunzi's Art of War 孙子兵法). |
知彼知己，
百战不殆 | zhī bǐ zhī jǐ ,
bǎi zhàn bù dài | Knowing the enemy and yourself will get you unscathed through a hundred battles (idiom, from Sunzi's Art of War). |
