The consensus is that risk factors have an accumulative effect.

　　危險因素會與日俱增已成為共識。

　　He's hypersensitive to any kind of criticism.

　　他對任何批評都受不了。

　　Her skin is hypersensitive.

　　她的皮膚過敏。

　　Student teachers were hypersensitive to any criticism of their performance.

　　實習(xí)教師對任何針對他們表現(xiàn)的批評意見都異常敏感。

　　The most acquisitive firms tend to be engineering groups.

　　最貪得無厭的公司往往是工程隊。