虚弱者 meaning in Chinese

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valetudinarian

However , west nile virus can cause death in older or weak people
但西尼罗河病毒感染仅导致老年人和身体虚弱者死亡。
If you are just feeling week , use 15g korean ginseng instead of american ginseng
体质虚弱者可用高丽参15克代替花旗参。
For those having swallowing difficulties , the tablets can be chewed and this may also help to improve health of the gum
体质虚弱者可增加份量小孩不会吞食，则可咀嚼，有保护牙的功效。
Disadvantages : difficult to learn , cryptic syntax , tough to do efficiently , and it takes much more code to get something done - - not for the faint of heart
缺点：难学、语法晦涩、坚持效率，造成大量额外代码?不适于心脏虚弱者。