气不足 meaning in English

insufficiency of qi
unsaturated vapor

The tires of this car don ' t have enough air in them
这辆汽车的轮胎气不足了。
The reason first is inadequent of yang qi , then the qi stagnant , and blood block following , all these character result in the veins stagnant , the blood sluggish , so the pain happened
其病机先始因胸中阳气不足，继则气滞，痰浊，血淤乘之，导致经脉阻滞，血淤不通，不通则痛，就会出现一系列冠心病症候。
In case kidney - qi is deficient , there will be the disturbance of its qi transformation and astrictive action , causing the irregular opening and closing of the urinary bladder , manifested as dysuria , incontinence of urine , enuresis and frequency of micturition
如果，肾气不足，一方面可使肾气化无常，固摄无权，则膀胱开合失度，即可出现小便不利，失禁，遗尿，尿频等病症。