Final answer:
The phrases "sensed misfortune" and "direful apprehension" from the passage convey a feeling of unease.
Step-by-step explanation:
The two phrases in the passage that convey unease are "sensed misfortune" and "direful apprehension". The first phrase, "sensed misfortune," suggests that the onlookers are anticipating something bad, as they feel a sense of impending doom regarding the ship's arrival. The second phrase, "direful apprehension," means a fearful feeling of anticipation, indicating that the characters in the excerpt are expecting something terrible to happen. Both phrases contribute to a mood of tension and anxiety within the text.