1."In his heyday, he was a great tennis player."

1."他年轻力壮,是一位了不起的网球运动员。"

2.He was the same thin, pleasant, alert, rather agreeable soul that he had been in the heyday of his clerkly prosperity.

2.他还是做职员正得意的全一样，是一瘦削、高兴、、蔼可亲的家伙。

3.It had its heyday and still enjoys certain popularity.American agrarianism has found a foothold in contemporary economy and working mode and has become a philosophy of tomorrow.

3.它的发展由而衰，但衰而不微，并在当代新经济新的工作方式中重新找到了立足之地，成为明日哲学。