重点讲解：
1. lead to 招致；致使；导致；
This can lead to bodily weakness and muscle wastage.
这样可能会导致身体虚弱和肌肉萎缩ExPSMtQ,dq。
2. return to 返回，回到；
He has rightly interrupted his holiday in Spain to return to London.
他马上中止了在西班牙的度假回到伦敦91zEYupR[O8FY_vd(w。
3. grapple with 努力解决（问题）；设法克服（困难）；
The economy is just one of several critical problems the country is grappling with.
经济问题只是该国正竭力解决的几个关键问题之一+[YJJq_gp7H4e。
4. hold sb. to ransom 威胁；胁迫；
Unison and the other unions have the power to hold the Government to ransom.
公务员工会和其他工会有能力胁迫政府CSm*,-YM2jr+OE@。