relax
/rɪˈæks; rɪ`læks/ v
1
(a) [I, Tn] (make sth) become less tight, stiff, etc （使某事物）松弛、 放松等
Let your muscles relax slowly. 让你的肌肉慢慢放松.
relax one's grip, hold, grasp (on sth) 放松（对某物的）掌握.
(b) [I, Ipr] ~ (into sth) become less anxious, worried or formal in manner; be at ease 缓和下来; 变得轻松
Her features suddenly relaxed. 她的表情一下子变得轻松了.
I'll only relax when I know you're safe. 我惟有知道你平安无事才能放心.
His face relaxed into a smile. 他解颜一笑.
2 [Tn] let (rules, regulations, etc) become less strict or rigid 使（制度、 规则等）变得不严或放宽
We could relax the procedure slightly in your case. 我们可以根据你的情况通融一些.
Discipline is often relaxed at weekends. 一到周末纪律往往松弛下来.
3 [I, Tn no passive 不用於被动语态]
(make sb) rest after work or effort; calm down （使某人）休息, 放松; 镇定
A holiday will help you relax after your exams. 考试之後放个假有助於弛缓紧张情绪.
These pills will relax you and make you sleep. 这些药丸有镇静催眠作用.
4 [I, Tn] (cause effort, concentration, etc to) become less intense （使干劲、 注意力等）松懈, 涣散
His attention never relaxes. 他总是精神十分集中.
You cannot afford to relax your vigilance for a moment. 警惕性是万万不可放松的.