The sun is shining in all his splendid beauty.

The

sun

is

shining

in

all

his

splendid

beauty.

此句中in

all

his

splendid

beauty

是方式状语，修饰动词shine

可以翻译成，阳光照耀着大地，竭尽其所有的辉煌壮丽普照大地。