重重

This job presents many difficulties to the new recruit.

Many cares and anxieties occupy her mind.

heavy curtains of rain

be full of misgivings; have no end of worries

jump one barrier after another

be encircled ring upon ring; be heavily besieged

be fleeced right and left

set up an array of barriers; place all sorts of obstacles

bear multiple oppression

overcome a mountain of difficulties; surmount numerous difficulties

break through/penetrate layers of obstruction