burden

n. 负担,重载
v. 使负重,装载,烦扰

Don't burden yourself with unnecessary problems.

勿为不必要的问题所累。

Hope is like the sun, which, as we journey towards it, casts the shadow of our burden behind us.

希望像太阳，我们向它走去时，它在我们身后投下我们负担的影子。