1. Michael lost to Andy in the quarter-finals at the national tennis competition.2. The eight winners of the preliminaries will go through to the quarter-finals next Friday.
 quarter-finals round of 8八強 = quarter-finals 或 quarterfinalsround of 8 只是八強的字面上的解釋，並不普遍用在對話裡。
I tried to explain how the software works to my dad, but he is slow on he uptake.