Mothers who are exposed to secondhand smoke while pregnant are more likely to have lower birth weight babies , which makes babies weaker and increases the risk for many health problems 如果一位母亲在怀孕时生活于二手烟的环境之中，那么她生出的孩子很可能是低出生体重儿，通常这样的孩子身体虚弱且更容易出现健康问题。
Being bed - ridden and lacking in physical activities , stroke patients often have weakened body resistance and reduced ability in clearing secretions from their lungs . hence , they are usually more prone to chest infections 患者由于长期卧床，抵抗力下降，加上缺乏活动，身体虚弱，不能有效地把肺部分泌物咳出，所以较容易染上肺炎。
Being bed - ridden and lacking in physical activities , stroke patients often have weakened body resistance and reduced ability in clearing secretions from their lungs . hence , they are usually more prone to chest infections 患者由于长期卧床，抵抗力下降，加上缺乏活动，身体虚弱，不能有效地把肺部分泌物咳出，所以较容易染上肺炎。
The cause that causes gastroptosis basically is concerned with the constitution , the body is frail , celiac wall is adipose thin , flesh tension is abate , viscera ligament is flabby , easy happening gastroptosis , and female over male 引起胃下垂的原因主要和体质有关，身体虚弱，腹壁脂肪薄，肌张力减弱，脏器韧带松弛，易发生胃下垂，且女性多于男性。
Only when they told me the date did i know that i had been trapped in that pit for six days . observing that i was very weak , the young aborigines cut some bamboo branches and made a simple chair to carry me downhill 我问他们今天的日期，始知我在坑洞里足足待了六天之久。原住民青年看我身体虚弱，就地砍了几根山竹，造了一个简单的竹轿，把我抬下山。
Irena sendler , who lives in a nursing home in warsaw , was too frail to attend the special session in which members of the senate unanimously approved a resolution honoring her and the polish underground council for assisting jews 目前住在华沙养老院中，由于身体虚弱无法参加这个特殊的仪式。上议院全票通过授予她和她的地下委员会帮助犹太人荣誉的决议。
I felt physically weak and broken down : but my worse ailment was an unutterable wretchedness of mind : a wretchedness which kept drawing from me silent tears ; no sooner had i wiped one salt drop from my cheek than another followed 我身体虚弱，几乎要垮下来。但最大的痛楚却是内心难以言传的苦恼，弄得我不断地暗暗落泪。才从脸颊上抹去一滴带咸味的泪水，另一滴又滚落下来。
Her frailty - - prone to migraines and respiratory illness , she had part of a lung removed in 1985 and suffered strokes in 1998 and 2001 - - also separated her from her heartier mother and sister and contributed to emotional woes 由于经常受偏头痛和呼吸道疾病的折磨- -她在1985年切除了一部分肺， 1998年和2001年得过中风- -身体虚弱的玛格丽特也无法像身体健康的母亲和姐姐那样进行户外活动，这也是她常常陷入痛苦的原因。
On the night of the battle , excited , but not weary though prince andrey did not look robustly built , he could bear fatigue better than very strong men , he had ridden with a despatch from dohturov to krems to kutuzov . the same night he had been sent on with a special despatch to brnn 作战的深夜，安德烈公爵激动不安，并不感到困倦，虽然看起来他的身体虚弱，但是他比那些最强壮的人更能经受住劳累，他骑上马，随身带着多赫图罗夫的情报前往克雷姆斯晋谒库图佐夫。
They went home together , tess holding one arm of her father , and mrs durbeyfield the other . he had , in truth , drunk very little - not a fourth of the quantity which a systematic tippler could carry to church on a sunday afternoon without a hitch in his eastings or genuflections ; but the weakness of sir john s constitution made mountains of his petty sins in this kind 说实在的，她的父亲酒喝得很少一个经常喝酒的人，礼拜天下午喝完酒上教堂，转身向东下跪，一点也不踉跄，她父亲喝的酒还不到这种人喝的四分之一但是约翰爵士的身体虚弱，在当时的情景下，喝酒这种小罪恶就让他受不了啦。
