很大一部分原因
hěn dà yī bù fèn yuán yīnCommon spoken expression used by native Chinese speakers in daily life.
[Authentic Cinema Evidence Base]
(3 clips)
00:03
(我当初和你姐结婚) ── Previous context
“a big part of the reason was my admiration for her rationality.”
00:03
(而且你自己不也说吗) ── Previous context
“that your brother didn't come back mostly because of you,”
00:02
(除了他很爱踢球之外) ── Previous context
“A big part of it is that he's waiting for your answer.”