"If too old to work much, the retired worker is very enthusiastic about neighbourhood affairs."

"虽因老不能多操劳,但退休工人对里弄工作非常热心。"

He has served the farm faithfully for 20 years.

他农场忠心耿耿地操劳了20。

Her illness was induced by overwork.

她病是操劳过度引起。