Tak, młynarz przeżył bez wątpienia bardzo ciężki okres. · polacco · learnfeliz

heavy (having much physical weight)
heavy, hard (labored, slow, sluggish)
heavy, hard (i.e. of a step, done stronger than usual; of great force, power, or intensity; deep or intense)
hard, difficult, heavy (requiring much effort; not easy)
heavy (difficult to digest)
heavy, weighty (made of thick material; massive)
heavy (i.e. of a head, laden to a great extent; giving the impression as if heavy)
heavy, weighty (serious, intense)
heavy (not easy to bear; burdensome)
hard, heavy (full of worries, troubles and negative events)
hard, heavy (difficult to watch, read, etc.)
heavy (lacking finesse or inspiration)
heavy (intended for tasks requiring high force)
heavy (more heavily armed or armored)
(colloquial) huge (possessinga a particular trait to a considerable extent)
(colloquial) large (taking up much memory)
serious, severe (dangerous, life-threatening)
deep, rough (low pitched and unpleasant)
heavy, thick
heavy (thick and stuffy)
(obsolete) burdensome (causing difficulty)
poor (difficult to cultivate)
pregnant, with child
heavy; Further details are uncertain.

period (a length of time)
period (a length of time in history seen as a single coherent entity; an epoch, era)
period (the length of time during which the same characteristics of a periodic phenomenon recur, such as the repetition of a wave or the rotation of a planet)
period (each of the divisions into which a school day is split, allocated to a given subject or activity)
period (female menstruation; an episode of this)
period (a complete sentence, especially one expressing a single thought or making a balanced, rhythmic whole)
period (the length of an interval over which a periodic function, periodic sequence or repeating decimal repeats; often the least such length)
period (two phrases (an antecedent and a consequent phrase))
period (a geochronologic unit of millions to tens of millions of years; a subdivision of an era, and subdivided into epochs)