| 援助交际 | [ yuán zhù jì ] Enjo-kōsai or "compensated dating", a practice which originated in Japan where older men give money or luxury gifts to women for their companionship and sexual favors |
| 援助机构 | [ yuán zhù jī goù ] relief agency, emergency service, rescue organisation |
| 援军 | [ yuán jūn ] (military) reinforcements |
| ⇒ 备援 | [ beì yuán ] backup (Tw) |
| ⇒ 围城打援 | [ weí chéng dǎ yuán ] to besiege and strike the relief force (idiom); strategy of surrounding a unit to entice the enemy to reinforce, then striking the new troops |
| ⇒ 奥援 | [ aò yuán ] hidden ally, powerful support, support, backup |
| ⇒ 孤立无援 | [ gū lì wú yuán ] isolated and without help |
| ⇒ 弹尽援绝 | [ dàn jìn yuán jué ] out of ammunition and no hope of reinforcements (idiom); in desperate straits |
| ⇒ 后援 | [ hoù yuán ] reinforcement, back-up, supporting force |
| ⇒ 后援会 | [ hoù yuán huì ] support group (e.g. for an election candidate), fan club |
| ⇒ 应援 | [ yìng yuán ] (originally) to provide assistance, (more recently) to show one's support (for a singing idol etc) |
| ⇒ 技术援助 | [ jì shù yuán zhù ] technical assistance |
| ⇒ 救援队 | [ jiù yuán duì ] rescue team |
| ⇒ 无援 | [ wú yuán ] without support, helpless |
| ⇒ 声援 | [ shēng yuán ] to support (a cause) |
| ⇒ 请援 | [ qǐng yuán ] to request help, to appeal (for assistance) |
| ⇒ 军事援助 | [ jūn shì yuán zhù ] military aid |
| ⇒ 驰援 | [ chí yuán ] to rush to the rescue |
