ReadWriteQuiz
Chinese dictionary
adv.greatly; considerably; markedly; significantly
大为伤心
greatly distressed
大为不安
cause one great uneasiness
大为吃惊
be greatly surprised at
大为减色
impair
这条消息使我大为兴奋。
I was greatly cheered by this news.
让我大为生气的是她根本不听。
What really aggravates me is the way she won't even listen.