[duàn liàn]
（體育鍛煉） take exercise; have physical training
build up a strong constitution
鍛煉好身體
train regularly to keep fit
經常鍛煉以保持健康
pursue one's athletic exercises with zest
熱心地從事體育鍛煉
He had been short of exercise for a long time.
他長期缺乏鍛煉。
Exercise of the mental faculties is as important as bodily excercise.
智能的鍛煉同身體的運動同樣重要。
steel oneself in labour
在勞動中鍛煉自己
temper oneself through manual labour
勞動鍛煉
be tempered in [through] the great storms
在大風大浪中經受鍛煉