Two readings, two meanings. shòulèi (
累 lèi, tired) = to be put to trouble / a polite "sorry to bother you," common in service contexts. shòulěi (
累 lěi, to implicate) = to get dragged into someone else's problem. Context disambiguates:
让您受累 always shòulèi;
受牵连 /
受家人受累 leans shòulěi.