英语翻译1.虽然他会尝试去做,但他必败无疑.2.设想虽然好,但执行起来很难如愿.3.虽然母亲已经70多岁了,可身子骨还挺

1 Hard as he would try,he is certain to fail。2 Good as the purpose is,it's hardly practicable。3 70 years old as mother is,she is healthy。4 Friends for many years as they were,they ended up enemies。5 18 years old as she is,she behaves very immaturely。