They are debilitated by the male sex hormone testosterone and, to make matters worse, men, who tend to be larger than women, are encumbered by their size. 男性激素睾丸素導致男子的身體比較弱，更糟的是，男子往往比女子塊頭大，所以在體格上也吃了虧。
The body releases this hormone to deal with stressful situations. 人體應對緊張環境時會釋放出雄激素。
Testosterone, the primary male sex hormone, is one in a group of related steroid hormones referred to as androgens. 睾酮是主要的雄性激素，也是一組被認為是雄性激素的類固醇激素的成員之一。
Mister Gray says one major difference is the way people react to the hormone testosterone. 格雷認為，男女對雄性激素的反應不同是一個主要差異。
