tread carefully

• Having showcased a varied repertoire to best the red sox in his last effort against them , starter chien - ming wang continued to tread carefully against boston ' s lineup - - at least , until the bats blasted open the doors
  上次對戰紅襪隊展現所有球路，先發投手王建民面對波士頓紅襪的先發打線表現的小心翼翼，直到打者敲開得分大門。