1.
The child is underweight.I'm trying to fatten him up as fast as I can.
这孩子体重不足。我正设法尽快地使他壮实起来。
2.
His underweight militated against his ever becoming a good sprinter.
他体重不足，这使他难以成为一个好的短跑运动员。
3.
Babies that weigh less than two and one-half kilograms at birth have a greater risk of dying.
体重不足二点五千克的新生儿死亡的危险性很高。
4.
very low birthweight infant
体重严重不足的初生婴儿
5.
An individual considered to be of little or no importance.
微不足道的东西被认为渺小或不重要的个体
6.
severe mental retardation
重度智能不足 重度智能不足
7.
she was less than half her weight after the crash diet.
速成节食以后，她的体重下降到不足原来的一半。
8.
It is surely out of place to write in the grand style of inconsiderable things.
如果内容微不足道，而文体十分庄重，那肯定是不适宜的。
9.
(3) The thermal insulation provided by the cold weather boots and gloves was insufficient, and failed to match the principal part of this clothing.
(3)防寒靴和手套的保暖量严重不足 ,与衣服主体不配套。
10.
acute undernutrition (wasting)
严重营养不足（瘦弱）
11.
If you do not consume enough calories per day you will lose weight, but you will also lose energy.
假如每天不摄取足够的卡路里，体重就会减轻，但也会减少能量。
12.
3. The Investigative Demand Must Be Sufficiently Specific and Not Unreasonably Burdensome.
（三）调查的要求必须足够具体且不得无理地加重负担
13.
Overnight she developed an insatiable appetite, and began to gain weight.
她突然间显出了一种永不满足的食欲，而且体重开始增加了。
14.
In the other hand, organ/ brain weight ratio can also be used to represent the effect of drug toxicity on organs, and can overcome this influence.
用另一种脏器系数(器重/重)达药物毒作用对脏器的影响能克服体重变化的不足。
15.
The main obstacle of developing sports activities in this region is lack of recognition, short of funds, playground and sports apparatus.
领导重视不够、费不足与场地、材严重短缺是造成贫困地区开展学校体育活动的主要障碍。
16.
Not significant or important enough to be worth considering; trifling.
可以忽略的因不重大，不重要而不足以考虑的；微不足道的
17.
person considered weak and insignificant and who is not respected by others
懦弱的、无足轻重的且不受尊重的人.
18.
Of slight worth or importance.
微不足道的不重要的或无甚价值的