Stop carrying the weight of the world on your shoulders.
别太操心了,没有你地球照样转。 (carry the weight of the world on one’s shoulders:自以为重任在肩。)
Recognizing who the customer was, the manager was most apologetic and reprimanded the assistant severely.
经理认出了这位顾客,表示了深深的歉意,还严厉地训斥了店员。