Complex sentence: The rest of Shing-Tin's family, including his father, arrive in town and though Shing-Tin sees Wing-Ching as a good friend, Fei-Yeung is wary about him and tells his son not to be so trusting.
Split into simpler sentences: The rest of Shing-Tin's family, including his father, arrive in town. Though Shing-Tin sees Wing-Ching as a good friend, Fei-Yeung is wary about him and tells his son not to be so trusting.