我对这门新学科粗通一二的英文

i have slight knowledge on the new subject

• 我:    I; my; me
• 对:    answer; reply
• 这:    this
• 门:    entrance; exit; do ...
• 新学:    new learning
• 科:    a branch of academ ...
• 粗通:    know a little abou ...
• 一二:    one or two; just a ...