late 14c., "to make (something) less compact or dense," from Old French relaschier "set free; soften; reduce" (14c.), from Latin relaxare "relax, loosen, open, stretch out, widen again; make loose," from re- "back" (see re-) + laxare "loosen," from laxus "loose" (see lax). Of persons, "to become less formal," from 1837. Meaning "decrease tension" is from early 15c.; intransitive sense of "to become less tense" is recorded from 1935. Related: Relaxed; relaxing.
实用例句
1. Massage is used to relax muscles, relieve stress and improve the circulation.
按摩可以使肌肉放松，缓解压力和促进血液循环。来自柯林斯例句
2. How much can the President relax his grip over the nation?
总统可以对国家的控制放松到什么样的程度？来自柯林斯例句
3. Relax as much as possible and keep breathing steadily.
尽量放松，保持平稳呼吸。来自柯林斯例句
4. There'll be ample opportunity to relax, swim and soak up some sun.
将会有充足的机会去放松、游泳和晒太阳。来自柯林斯例句
5. Relax, smile; loosen up in mind and body and behaviour.
