relax

动词 relax:

1. become less tense, rest, or take one's ease
   同义词：loosen up, unbend, unwind, decompress, slow down
2. make less tight
   同义词：unbend
3. become loose or looser or less tight
   同义词：loosen, loose
4. cause to feel relaxed
   同义词：unstrain, unlax, loosen up, unwind, make relaxed
5. become less tense, less formal, or less restrained, and assume a friendlier manner
   同义词：loosen up
6. make less severe or strict
   同义词：loosen
7. become less severe or strict
   同义词：loosen
8. make less active or fast
   同义词：slack, slacken, slack up

1. The music will help to relax you.
   音乐会使你感到轻松。
2. His muscles relaxed.
   他的肌肉松弛了。

re.lax

v.（动词）
re.laxed,re.lax.ing,re.lax.es
v.tr.（及物动词）
To make lax or loose:
使放松或松弛：
例句：
relax one`s grip.
松开某人的掌握

To make less severe or strict:
放宽：使较不严厉或严格：
例句：
relax a curfew.
放松宵禁

To reduce in intensity; slacken:
松懈：减少紧张的程度；放松：
例句：
relax one`s efforts.
放松某人的努力

To relieve from tension or strain:
使轻松：由紧张或约束中释放出来：
例句：
The warm bath relaxed me.
温暖的沐浴使我放松

v.intr.（不及物动词）
To take one`s ease; rest.
松散；休息
To become lax or loose.
松弛：变得松弛或松散
To become less severe or strict.
放宽：变得较不严厉或严格
To become less restrained or tense.
放松：变得较不受约束或不紧张

来源：
Middle English relaxen
中古英语 relaxen
from Old French relaxer
源自 古法语 relaxer
from Latin relax3re
源自 拉丁语 relax3re
re- [re-]
re- [前缀re-]
lax3re [to loosen] from laxus [loose] * see slôg-
lax3re [放松] 源自 laxus [松散的] *参见 slôg-

【引伸】
relax.able
adj.（形容词）