全身疼痛

aching all over

挺起身来

straighten up one's body

汽车车身

car body

河身

river bed

船身

ship's hull

机身

fuselage

舍身

give one's life

他身为队长，自然应该带头。

As a captain, it's natural that he should lead the way.

身在福中不知福

to not know how lucky one is

身在福中应知福。

One should be satisfied with what one has.

修身

cultivate one's moral character and improve one's conduct