n. a spontaneous loss of consciousness caused by insufficient blood to the brain
v. pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain
s. deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc
s. lacking strength or vigor
n. 昏厥, 昏倒
a. 模糊的, 微弱的, 无力的
vi. 昏倒, 变得微弱