劳累 (láo lèi): tired; exhausted; worn out; to toil

He worked overtime for three days in a row. When he got home, he was extremely tired and fell asleep as soon as he lay down on the sofa.

Every day, Mom has to work and take care of the children. She often feels tired, but she never complains.

After the long trip, everyone was very tired. As soon as they arrived at the hotel, they each went back to their rooms to rest.

The doctor advised him to reduce his workload, because long-term fatigue may lead to serious health problems.