The front desk staff were unfriendly and had a grumpy expression.
The housekeeping staff were generally clean, but they lacked analytical skills. Their noise disturbed the occupied rooms. Some stood staring at customers.
Some of them stared at the elevator staff, even though they were staring back.
The breakfast room had cold, unappetizing eggs. They should have included bacon.
The staff were chatting loudly and were rude.
When clearing the tables, the staff were collecting supplies from tables before closing time, but they shouldn't have cleared tables that were still occupied.