
relax oneself放松自己;
relax at the seashore在海边休养;
relax for half an hour休息半小时;
relax in ones efforts松劲;
relax into a smile(从拘谨状态中)轻松地一笑
relax one\'s attention放松注意力;
relax one\'s grip松开手;
relax one\'s hold松开手;
relax the muscles放松肌肉;
relax restrictions放宽限制;
relax a rule放宽一项规定;
relax one\'s vigilance放松警惕