1.吃得太多有害于我们的健康
->Eatingtoomuchisnotgoodforourhealth.
或:Eatingtoomuchisbadforourhealth.
2.我将尽力把这份工作干好
->Iwilltrymybesttodothiswork.
3.他也许是一位老师
->Hemaybeateacher./Maybeheisateacher.
4.我有许多作业要做
->Ihavealotofhomeworktodo.
5.虽然他已80岁了,但他还相当健康
->Althoughhsis80yearsold,heisprettyhealthy.